9+x-4x+9=36-12

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Solution for 9+x-4x+9=36-12 equation:


Simplifying
9 + x + -4x + 9 = 36 + -12

Reorder the terms:
9 + 9 + x + -4x = 36 + -12

Combine like terms: 9 + 9 = 18
18 + x + -4x = 36 + -12

Combine like terms: x + -4x = -3x
18 + -3x = 36 + -12

Combine like terms: 36 + -12 = 24
18 + -3x = 24

Solving
18 + -3x = 24

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-18' to each side of the equation.
18 + -18 + -3x = 24 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 24 + -18
-3x = 24 + -18

Combine like terms: 24 + -18 = 6
-3x = 6

Divide each side by '-3'.
x = -2

Simplifying
x = -2

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