168-x=90

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Solution for 168-x=90 equation:


Simplifying
168 + -1x = 90

Solving
168 + -1x = 90

Solving for variable 'x'.

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

Add '-168' to each side of the equation.
168 + -168 + -1x = 90 + -168

Combine like terms: 168 + -168 = 0
0 + -1x = 90 + -168
-1x = 90 + -168

Combine like terms: 90 + -168 = -78
-1x = -78

Divide each side by '-1'.
x = 78

Simplifying
x = 78

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