161=42-x

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Solution for 161=42-x equation:


Simplifying
161 = 42 + -1x

Solving
161 = 42 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
161 + x = 42 + -1x + x

Combine like terms: -1x + x = 0
161 + x = 42 + 0
161 + x = 42

Add '-161' to each side of the equation.
161 + -161 + x = 42 + -161

Combine like terms: 161 + -161 = 0
0 + x = 42 + -161
x = 42 + -161

Combine like terms: 42 + -161 = -119
x = -119

Simplifying
x = -119

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