2(7-y)-7=8

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


Simplifying
2(7 + -1y) + -7 = 8
(7 * 2 + -1y * 2) + -7 = 8
(14 + -2y) + -7 = 8

Reorder the terms:
14 + -7 + -2y = 8

Combine like terms: 14 + -7 = 7
7 + -2y = 8

Solving
7 + -2y = 8

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + -2y = 8 + -7

Combine like terms: 7 + -7 = 0
0 + -2y = 8 + -7
-2y = 8 + -7

Combine like terms: 8 + -7 = 1
-2y = 1

Divide each side by '-2'.
y = -0.5

Simplifying
y = -0.5

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