7x-3+20x=120

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Solution for 7x-3+20x=120 equation:


Simplifying
7x + -3 + 20x = 120

Reorder the terms:
-3 + 7x + 20x = 120

Combine like terms: 7x + 20x = 27x
-3 + 27x = 120

Solving
-3 + 27x = 120

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 27x = 120 + 3

Combine like terms: -3 + 3 = 0
0 + 27x = 120 + 3
27x = 120 + 3

Combine like terms: 120 + 3 = 123
27x = 123

Divide each side by '27'.
x = 4.555555556

Simplifying
x = 4.555555556

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