20=7x+6x+7

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Solution for 20=7x+6x+7 equation:


Simplifying
20 = 7x + 6x + 7

Reorder the terms:
20 = 7 + 7x + 6x

Combine like terms: 7x + 6x = 13x
20 = 7 + 13x

Solving
20 = 7 + 13x

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '-13'.
x = 1

Simplifying
x = 1

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