Algebra

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Please help me solve for the following coefficients. The equation is:

2X-Y=4

if X = 0, then Y = ?
if Y = 0, then X = ?
if X = 1, then y = ?
if Y = -6, then X =?

Thanks!

  • Algebra -

    2x - y = 4
    if x = 0
    2(0) - y = 4
    0 - y = 4
    -y = 4
    y = - 4

    if y = 0
    2x - 0 = 4
    2x = 4
    x = 2

    Now, it's your turn.
    Solve the rest just like the examples above.

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