5x+6x-72=90-7x

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Solution for 5x+6x-72=90-7x equation:


Simplifying
5x + 6x + -72 = 90 + -7x

Reorder the terms:
-72 + 5x + 6x = 90 + -7x

Combine like terms: 5x + 6x = 11x
-72 + 11x = 90 + -7x

Solving
-72 + 11x = 90 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-72 + 11x + 7x = 90 + -7x + 7x

Combine like terms: 11x + 7x = 18x
-72 + 18x = 90 + -7x + 7x

Combine like terms: -7x + 7x = 0
-72 + 18x = 90 + 0
-72 + 18x = 90

Add '72' to each side of the equation.
-72 + 72 + 18x = 90 + 72

Combine like terms: -72 + 72 = 0
0 + 18x = 90 + 72
18x = 90 + 72

Combine like terms: 90 + 72 = 162
18x = 162

Divide each side by '18'.
x = 9

Simplifying
x = 9

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