-8-9=8x+1-7x

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Solution for -8-9=8x+1-7x equation:


Simplifying
-8 + -9 = 8x + 1 + -7x

Combine like terms: -8 + -9 = -17
-17 = 8x + 1 + -7x

Reorder the terms:
-17 = 1 + 8x + -7x

Combine like terms: 8x + -7x = 1x
-17 = 1 + 1x

Solving
-17 = 1 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-17 + -1x = 1 + 1x + -1x

Combine like terms: 1x + -1x = 0
-17 + -1x = 1 + 0
-17 + -1x = 1

Add '17' to each side of the equation.
-17 + 17 + -1x = 1 + 17

Combine like terms: -17 + 17 = 0
0 + -1x = 1 + 17
-1x = 1 + 17

Combine like terms: 1 + 17 = 18
-1x = 18

Divide each side by '-1'.
x = -18

Simplifying
x = -18

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