9x-12=7x+5

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Solution for 9x-12=7x+5 equation:


Simplifying
9x + -12 = 7x + 5

Reorder the terms:
-12 + 9x = 7x + 5

Reorder the terms:
-12 + 9x = 5 + 7x

Solving
-12 + 9x = 5 + 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.
-12 + 9x + -7x = 5 + 7x + -7x

Combine like terms: 9x + -7x = 2x
-12 + 2x = 5 + 7x + -7x

Combine like terms: 7x + -7x = 0
-12 + 2x = 5 + 0
-12 + 2x = 5

Add '12' to each side of the equation.
-12 + 12 + 2x = 5 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = 5 + 12
2x = 5 + 12

Combine like terms: 5 + 12 = 17
2x = 17

Divide each side by '2'.
x = 8.5

Simplifying
x = 8.5

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