-2y-8(-2y+9)=6+7(8-y)

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Solution for -2y-8(-2y+9)=6+7(8-y) equation:


Simplifying
-2y + -8(-2y + 9) = 6 + 7(8 + -1y)

Reorder the terms:
-2y + -8(9 + -2y) = 6 + 7(8 + -1y)
-2y + (9 * -8 + -2y * -8) = 6 + 7(8 + -1y)
-2y + (-72 + 16y) = 6 + 7(8 + -1y)

Reorder the terms:
-72 + -2y + 16y = 6 + 7(8 + -1y)

Combine like terms: -2y + 16y = 14y
-72 + 14y = 6 + 7(8 + -1y)
-72 + 14y = 6 + (8 * 7 + -1y * 7)
-72 + 14y = 6 + (56 + -7y)

Combine like terms: 6 + 56 = 62
-72 + 14y = 62 + -7y

Solving
-72 + 14y = 62 + -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.
-72 + 14y + 7y = 62 + -7y + 7y

Combine like terms: 14y + 7y = 21y
-72 + 21y = 62 + -7y + 7y

Combine like terms: -7y + 7y = 0
-72 + 21y = 62 + 0
-72 + 21y = 62

Add '72' to each side of the equation.
-72 + 72 + 21y = 62 + 72

Combine like terms: -72 + 72 = 0
0 + 21y = 62 + 72
21y = 62 + 72

Combine like terms: 62 + 72 = 134
21y = 134

Divide each side by '21'.
y = 6.380952381

Simplifying
y = 6.380952381

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