7x=9(x+4)-12

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


Simplifying
7x = 9(x + 4) + -12

Reorder the terms:
7x = 9(4 + x) + -12
7x = (4 * 9 + x * 9) + -12
7x = (36 + 9x) + -12

Reorder the terms:
7x = 36 + -12 + 9x

Combine like terms: 36 + -12 = 24
7x = 24 + 9x

Solving
7x = 24 + 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.
7x + -9x = 24 + 9x + -9x

Combine like terms: 7x + -9x = -2x
-2x = 24 + 9x + -9x

Combine like terms: 9x + -9x = 0
-2x = 24 + 0
-2x = 24

Divide each side by '-2'.
x = -12

Simplifying
x = -12

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