4(8-y)+7=-7(y-2)-9

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Solution for 4(8-y)+7=-7(y-2)-9 equation:


Simplifying
4(8 + -1y) + 7 = -7(y + -2) + -9
(8 * 4 + -1y * 4) + 7 = -7(y + -2) + -9
(32 + -4y) + 7 = -7(y + -2) + -9

Reorder the terms:
32 + 7 + -4y = -7(y + -2) + -9

Combine like terms: 32 + 7 = 39
39 + -4y = -7(y + -2) + -9

Reorder the terms:
39 + -4y = -7(-2 + y) + -9
39 + -4y = (-2 * -7 + y * -7) + -9
39 + -4y = (14 + -7y) + -9

Reorder the terms:
39 + -4y = 14 + -9 + -7y

Combine like terms: 14 + -9 = 5
39 + -4y = 5 + -7y

Solving
39 + -4y = 5 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
39 + -4y + 7y = 5 + -7y + 7y

Combine like terms: -4y + 7y = 3y
39 + 3y = 5 + -7y + 7y

Combine like terms: -7y + 7y = 0
39 + 3y = 5 + 0
39 + 3y = 5

Add '-39' to each side of the equation.
39 + -39 + 3y = 5 + -39

Combine like terms: 39 + -39 = 0
0 + 3y = 5 + -39
3y = 5 + -39

Combine like terms: 5 + -39 = -34
3y = -34

Divide each side by '3'.
y = -11.33333333

Simplifying
y = -11.33333333

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