6x+3+7x=120

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Solution for 6x+3+7x=120 equation:


Simplifying
6x + 3 + 7x = 120

Reorder the terms:
3 + 6x + 7x = 120

Combine like terms: 6x + 7x = 13x
3 + 13x = 120

Solving
3 + 13x = 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 + 13x = 120 + -3

Combine like terms: 3 + -3 = 0
0 + 13x = 120 + -3
13x = 120 + -3

Combine like terms: 120 + -3 = 117
13x = 117

Divide each side by '13'.
x = 9

Simplifying
x = 9

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