5x-9=-99-7x

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Solution for 5x-9=-99-7x equation:


Simplifying
5x + -9 = -99 + -7x

Reorder the terms:
-9 + 5x = -99 + -7x

Solving
-9 + 5x = -99 + -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.
-9 + 5x + 7x = -99 + -7x + 7x

Combine like terms: 5x + 7x = 12x
-9 + 12x = -99 + -7x + 7x

Combine like terms: -7x + 7x = 0
-9 + 12x = -99 + 0
-9 + 12x = -99

Add '9' to each side of the equation.
-9 + 9 + 12x = -99 + 9

Combine like terms: -9 + 9 = 0
0 + 12x = -99 + 9
12x = -99 + 9

Combine like terms: -99 + 9 = -90
12x = -90

Divide each side by '12'.
x = -7.5

Simplifying
x = -7.5

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