7(y-9)=8+8y

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


Simplifying
7(y + -9) = 8 + 8y

Reorder the terms:
7(-9 + y) = 8 + 8y
(-9 * 7 + y * 7) = 8 + 8y
(-63 + 7y) = 8 + 8y

Solving
-63 + 7y = 8 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-63 + 7y + -8y = 8 + 8y + -8y

Combine like terms: 7y + -8y = -1y
-63 + -1y = 8 + 8y + -8y

Combine like terms: 8y + -8y = 0
-63 + -1y = 8 + 0
-63 + -1y = 8

Add '63' to each side of the equation.
-63 + 63 + -1y = 8 + 63

Combine like terms: -63 + 63 = 0
0 + -1y = 8 + 63
-1y = 8 + 63

Combine like terms: 8 + 63 = 71
-1y = 71

Divide each side by '-1'.
y = -71

Simplifying
y = -71

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