155=81-x

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Solution for 155=81-x equation:


Simplifying
155 = 81 + -1x

Solving
155 = 81 + -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.
155 + x = 81 + -1x + x

Combine like terms: -1x + x = 0
155 + x = 81 + 0
155 + x = 81

Add '-155' to each side of the equation.
155 + -155 + x = 81 + -155

Combine like terms: 155 + -155 = 0
0 + x = 81 + -155
x = 81 + -155

Combine like terms: 81 + -155 = -74
x = -74

Simplifying
x = -74

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