-7(1)-8y=9

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Solution for -7(1)-8y=9 equation: 


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

Multiply -7 * 1
-7 + -8y = 9

Solving
-7 + -8y = 9

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 + -8y = 9 + 7

Combine like terms: -7 + 7 = 0
0 + -8y = 9 + 7
-8y = 9 + 7

Combine like terms: 9 + 7 = 16
-8y = 16

Divide each side by '-8'.
y = -2

Simplifying
y = -2

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