12x+7+x=20

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Solution for 12x+7+x=20 equation:


Simplifying
12x + 7 + x = 20

Reorder the terms:
7 + 12x + x = 20

Combine like terms: 12x + x = 13x
7 + 13x = 20

Solving
7 + 13x = 20

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 13x = 20 + -7

Combine like terms: 7 + -7 = 0
0 + 13x = 20 + -7
13x = 20 + -7

Combine like terms: 20 + -7 = 13
13x = 13

Divide each side by '13'.
x = 1

Simplifying
x = 1

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