90-x=74.5

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Solution for 90-x=74.5 equation: 


Simplifying
90 + -1x = 74.5

Solving
90 + -1x = 74.5

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + -1x = 74.5 + -90

Combine like terms: 90 + -90 = 0
0 + -1x = 74.5 + -90
-1x = 74.5 + -90

Combine like terms: 74.5 + -90 = -15.5
-1x = -15.5

Divide each side by '-1'.
x = 15.5

Simplifying
x = 15.5

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