7x-4=9x+12

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Solution for 7x-4=9x+12 equation:


Simplifying
7x + -4 = 9x + 12

Reorder the terms:
-4 + 7x = 9x + 12

Reorder the terms:
-4 + 7x = 12 + 9x

Solving
-4 + 7x = 12 + 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.
-4 + 7x + -9x = 12 + 9x + -9x

Combine like terms: 7x + -9x = -2x
-4 + -2x = 12 + 9x + -9x

Combine like terms: 9x + -9x = 0
-4 + -2x = 12 + 0
-4 + -2x = 12

Add '4' to each side of the equation.
-4 + 4 + -2x = 12 + 4

Combine like terms: -4 + 4 = 0
0 + -2x = 12 + 4
-2x = 12 + 4

Combine like terms: 12 + 4 = 16
-2x = 16

Divide each side by '-2'.
x = -8

Simplifying
x = -8

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