hamburger menu
All Coursesall course arrow
adda247
reward-icon
adda247
    Home
    arrow
    Quantitative Aptitude
    arrow
    Algebra
    arrow
    If 4x – 3y = 9 and x = 6, then what is the value of y?
    Question

    If 4x – 3y = 9 and x = 6, then what is the value of y?

    A.

    6

    B.

    4

    C.

    5

    D.

    3

    Correct option is C

    Given:​

    If 4x – 3y = 9 and x = 6 

    Solution:​

    Put x = 6 in 4x – 3y = 9,

    4×\times6– 3y = 9

    24 – 3y = 9

    3y = 24 - 9

    3y = 15

    y = 5


    ​

    Free Tests

    Free
    Must Attempt

    CBT-1 Full Mock Test 1

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon100 Marks
    • timerIcon90 Mins
    languageIcon English
    Free
    Must Attempt

    RRB NTPC UG Level PYP (Held on 7 Aug 2025 S1)

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon100 Marks
    • timerIcon90 Mins
    languageIcon English
    Free
    Must Attempt

    CBT-1 General Awareness Section Test 1

    languageIcon English
    • pdpQsnIcon40 Questions
    • pdpsheetsIcon30 Marks
    • timerIcon25 Mins
    languageIcon English
    test-prime-package

    Access ‘RRB NTPC’ Mock Tests with

    • 60000+ Mocks and Previous Year Papers
    • Unlimited Re-Attempts
    • Personalised Report Card
    • 500% Refund on Final Selection
    • Largest Community
    BUY NOW
    students-icon
    383k+ students have already unlocked exclusive benefits with Test Prime!

    Suggested Test Series

    RRB NTPC Under Graduate (CBT 1 + CBT 2) 2025-26 Mock Test
    RRB NTPC Under Graduate (CBT 1 + CBT 2) 2025-26 Mock Test
    972 Tests + 3 Free Tests
    button-right
    RRB Group D 2025-26 Mock Test
    RRB Group D 2025-26 Mock Test
    855 Tests + 3 Free Tests
    button-right
    RRB NTPC Graduate (CBT 1 + CBT 2 + Psycho) 2025-26 Mock Test
    RRB NTPC Graduate (CBT 1 + CBT 2 + Psycho) 2025-26 Mock Test
    822 Tests + 3 Free Tests
    button-right
    RRB Technician Grade III 2025 Mock Test
    RRB Technician Grade III 2025 Mock Test
    300 Tests + 2 Free Tests
    button-right
    RRB JE (CBT 1 & CBT 2) 2026 Mock Test
    RRB JE (CBT 1 & CBT 2) 2026 Mock Test
    474 Tests + 2 Free Tests
    button-right
    test-prime-package

    Access ‘RRB NTPC’ Mock Tests with

    • 60000+ Mocks and Previous Year Papers
    • Unlimited Re-Attempts
    • Personalised Report Card
    • 500% Refund on Final Selection
    • Largest Community
    BUY NOW
    students-icon
    383k+ students have already unlocked exclusive benefits with Test Prime!

    Suggested Test Series

    RRB NTPC Under Graduate (CBT 1 + CBT 2) 2025-26 Mock Test
    RRB NTPC Under Graduate (CBT 1 + CBT 2) 2025-26 Mock Test
    972 Tests + 3 Free Tests
    button-right
    RRB Group D 2025-26 Mock Test
    RRB Group D 2025-26 Mock Test
    855 Tests + 3 Free Tests
    button-right
    RRB NTPC Graduate (CBT 1 + CBT 2 + Psycho) 2025-26 Mock Test
    RRB NTPC Graduate (CBT 1 + CBT 2 + Psycho) 2025-26 Mock Test
    822 Tests + 3 Free Tests
    button-right
    RRB Technician Grade III 2025 Mock Test
    RRB Technician Grade III 2025 Mock Test
    300 Tests + 2 Free Tests
    button-right
    RRB JE (CBT 1 & CBT 2) 2026 Mock Test
    RRB JE (CBT 1 & CBT 2) 2026 Mock Test
    474 Tests + 2 Free Tests
    button-right
    Our Plans
    Monthsup-arrow
    BUY NOW