9x-4=12+20

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


Simplifying
9x + -4 = 12 + 20

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

Combine like terms: 12 + 20 = 32
-4 + 9x = 32

Solving
-4 + 9x = 32

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 9x = 32 + 4

Combine like terms: -4 + 4 = 0
0 + 9x = 32 + 4
9x = 32 + 4

Combine like terms: 32 + 4 = 36
9x = 36

Divide each side by '9'.
x = 4

Simplifying
x = 4

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