161=90+x

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Solution for 161=90+x equation:


Simplifying
161 = 90 + x

Solving
161 = 90 + 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.
161 + -1x = 90 + x + -1x

Combine like terms: x + -1x = 0
161 + -1x = 90 + 0
161 + -1x = 90

Add '-161' to each side of the equation.
161 + -161 + -1x = 90 + -161

Combine like terms: 161 + -161 = 0
0 + -1x = 90 + -161
-1x = 90 + -161

Combine like terms: 90 + -161 = -71
-1x = -71

Divide each side by '-1'.
x = 71

Simplifying
x = 71

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