-28-9x=12-7x

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Solution for -28-9x=12-7x equation:


Simplifying
-28 + -9x = 12 + -7x

Solving
-28 + -9x = 12 + -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.
-28 + -9x + 7x = 12 + -7x + 7x

Combine like terms: -9x + 7x = -2x
-28 + -2x = 12 + -7x + 7x

Combine like terms: -7x + 7x = 0
-28 + -2x = 12 + 0
-28 + -2x = 12

Add '28' to each side of the equation.
-28 + 28 + -2x = 12 + 28

Combine like terms: -28 + 28 = 0
0 + -2x = 12 + 28
-2x = 12 + 28

Combine like terms: 12 + 28 = 40
-2x = 40

Divide each side by '-2'.
x = -20

Simplifying
x = -20

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