70-x=55

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Solution for 70-x=55 equation: 


Simplifying
70 + -1x = 55

Solving
70 + -1x = 55

Solving for variable 'x'.

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

Add '-70' to each side of the equation.
70 + -70 + -1x = 55 + -70

Combine like terms: 70 + -70 = 0
0 + -1x = 55 + -70
-1x = 55 + -70

Combine like terms: 55 + -70 = -15
-1x = -15

Divide each side by '-1'.
x = 15

Simplifying
x = 15

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