-7-1=-9+x

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


Simplifying
-7 + -1 = -9 + x

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

Solving
-8 = -9 + x

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.
-8 + -1x = -9 + x + -1x

Combine like terms: x + -1x = 0
-8 + -1x = -9 + 0
-8 + -1x = -9

Add '8' to each side of the equation.
-8 + 8 + -1x = -9 + 8

Combine like terms: -8 + 8 = 0
0 + -1x = -9 + 8
-1x = -9 + 8

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

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

Simplifying
x = 1

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