-9=7a-8-8

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Solution for -9=7a-8-8 equation:


Simplifying
-9 = 7a + -8 + -8

Reorder the terms:
-9 = -8 + -8 + 7a

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

Solving
-9 = -16 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-9 + -7a = -16 + 7a + -7a

Combine like terms: 7a + -7a = 0
-9 + -7a = -16 + 0
-9 + -7a = -16

Add '9' to each side of the equation.
-9 + 9 + -7a = -16 + 9

Combine like terms: -9 + 9 = 0
0 + -7a = -16 + 9
-7a = -16 + 9

Combine like terms: -16 + 9 = -7
-7a = -7

Divide each side by '-7'.
a = 1

Simplifying
a = 1

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