120+3x=210

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Solution for 120+3x=210 equation: 


Simplifying
120 + 3x = 210

Solving
120 + 3x = 210

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 + 3x = 210 + -120

Combine like terms: 120 + -120 = 0
0 + 3x = 210 + -120
3x = 210 + -120

Combine like terms: 210 + -120 = 90
3x = 90

Divide each side by '3'.
x = 30

Simplifying
x = 30

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