120+70x=50+90x

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Solution for 120+70x=50+90x equation:


Simplifying
120 + 70x = 50 + 90x

Solving
120 + 70x = 50 + 90x

Solving for variable 'x'.

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

Add '-90x' to each side of the equation.
120 + 70x + -90x = 50 + 90x + -90x

Combine like terms: 70x + -90x = -20x
120 + -20x = 50 + 90x + -90x

Combine like terms: 90x + -90x = 0
120 + -20x = 50 + 0
120 + -20x = 50

Add '-120' to each side of the equation.
120 + -120 + -20x = 50 + -120

Combine like terms: 120 + -120 = 0
0 + -20x = 50 + -120
-20x = 50 + -120

Combine like terms: 50 + -120 = -70
-20x = -70

Divide each side by '-20'.
x = 3.5

Simplifying
x = 3.5

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