6x+7x-18=72-5x

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Solution for 6x+7x-18=72-5x equation:


Simplifying
6x + 7x + -18 = 72 + -5x

Reorder the terms:
-18 + 6x + 7x = 72 + -5x

Combine like terms: 6x + 7x = 13x
-18 + 13x = 72 + -5x

Solving
-18 + 13x = 72 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-18 + 13x + 5x = 72 + -5x + 5x

Combine like terms: 13x + 5x = 18x
-18 + 18x = 72 + -5x + 5x

Combine like terms: -5x + 5x = 0
-18 + 18x = 72 + 0
-18 + 18x = 72

Add '18' to each side of the equation.
-18 + 18 + 18x = 72 + 18

Combine like terms: -18 + 18 = 0
0 + 18x = 72 + 18
18x = 72 + 18

Combine like terms: 72 + 18 = 90
18x = 90

Divide each side by '18'.
x = 5

Simplifying
x = 5

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