45-2x+75=90

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Solution for 45-2x+75=90 equation:


Simplifying
45 + -2x + 75 = 90

Reorder the terms:
45 + 75 + -2x = 90

Combine like terms: 45 + 75 = 120
120 + -2x = 90

Solving
120 + -2x = 90

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + -2x = 90 + -120

Combine like terms: 120 + -120 = 0
0 + -2x = 90 + -120
-2x = 90 + -120

Combine like terms: 90 + -120 = -30
-2x = -30

Divide each side by '-2'.
x = 15

Simplifying
x = 15

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