220-70=89-x

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Solution for 220-70=89-x equation:


Simplifying
220 + -70 = 89 + -1x

Combine like terms: 220 + -70 = 150
150 = 89 + -1x

Solving
150 = 89 + -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.
150 + x = 89 + -1x + x

Combine like terms: -1x + x = 0
150 + x = 89 + 0
150 + x = 89

Add '-150' to each side of the equation.
150 + -150 + x = 89 + -150

Combine like terms: 150 + -150 = 0
0 + x = 89 + -150
x = 89 + -150

Combine like terms: 89 + -150 = -61
x = -61

Simplifying
x = -61

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