2x+39=9x-45

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Solution for 2x+39=9x-45 equation:


Simplifying
2x + 39 = 9x + -45

Reorder the terms:
39 + 2x = 9x + -45

Reorder the terms:
39 + 2x = -45 + 9x

Solving
39 + 2x = -45 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
39 + 2x + -9x = -45 + 9x + -9x

Combine like terms: 2x + -9x = -7x
39 + -7x = -45 + 9x + -9x

Combine like terms: 9x + -9x = 0
39 + -7x = -45 + 0
39 + -7x = -45

Add '-39' to each side of the equation.
39 + -39 + -7x = -45 + -39

Combine like terms: 39 + -39 = 0
0 + -7x = -45 + -39
-7x = -45 + -39

Combine like terms: -45 + -39 = -84
-7x = -84

Divide each side by '-7'.
x = 12

Simplifying
x = 12

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