2x-72=45-7x

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Solution for 2x-72=45-7x equation:


Simplifying
2x + -72 = 45 + -7x

Reorder the terms:
-72 + 2x = 45 + -7x

Solving
-72 + 2x = 45 + -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 + 2x + 7x = 45 + -7x + 7x

Combine like terms: 2x + 7x = 9x
-72 + 9x = 45 + -7x + 7x

Combine like terms: -7x + 7x = 0
-72 + 9x = 45 + 0
-72 + 9x = 45

Add '72' to each side of the equation.
-72 + 72 + 9x = 45 + 72

Combine like terms: -72 + 72 = 0
0 + 9x = 45 + 72
9x = 45 + 72

Combine like terms: 45 + 72 = 117
9x = 117

Divide each side by '9'.
x = 13

Simplifying
x = 13

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