-4(y-9)=-2y+42

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Solution for -4(y-9)=-2y+42 equation:


Simplifying
-4(y + -9) = -2y + 42

Reorder the terms:
-4(-9 + y) = -2y + 42
(-9 * -4 + y * -4) = -2y + 42
(36 + -4y) = -2y + 42

Reorder the terms:
36 + -4y = 42 + -2y

Solving
36 + -4y = 42 + -2y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '2y' to each side of the equation.
36 + -4y + 2y = 42 + -2y + 2y

Combine like terms: -4y + 2y = -2y
36 + -2y = 42 + -2y + 2y

Combine like terms: -2y + 2y = 0
36 + -2y = 42 + 0
36 + -2y = 42

Add '-36' to each side of the equation.
36 + -36 + -2y = 42 + -36

Combine like terms: 36 + -36 = 0
0 + -2y = 42 + -36
-2y = 42 + -36

Combine like terms: 42 + -36 = 6
-2y = 6

Divide each side by '-2'.
y = -3

Simplifying
y = -3

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