4x-20-3x+9=9+12

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Solution for 4x-20-3x+9=9+12 equation:


Simplifying
4x + -20 + -3x + 9 = 9 + 12

Reorder the terms:
-20 + 9 + 4x + -3x = 9 + 12

Combine like terms: -20 + 9 = -11
-11 + 4x + -3x = 9 + 12

Combine like terms: 4x + -3x = 1x
-11 + 1x = 9 + 12

Combine like terms: 9 + 12 = 21
-11 + 1x = 21

Solving
-11 + 1x = 21

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 1x = 21 + 11

Combine like terms: -11 + 11 = 0
0 + 1x = 21 + 11
1x = 21 + 11

Combine like terms: 21 + 11 = 32
1x = 32

Divide each side by '1'.
x = 32

Simplifying
x = 32

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