-690-x=-138

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Solution for -690-x=-138 equation: 


Simplifying
-690 + -1x = -138

Solving
-690 + -1x = -138

Solving for variable 'x'.

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

Add '690' to each side of the equation.
-690 + 690 + -1x = -138 + 690

Combine like terms: -690 + 690 = 0
0 + -1x = -138 + 690
-1x = -138 + 690

Combine like terms: -138 + 690 = 552
-1x = 552

Divide each side by '-1'.
x = -552

Simplifying
x = -552

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