7x-4x-36=12

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Solution for 7x-4x-36=12 equation:


Simplifying
7x + -4x + -36 = 12

Reorder the terms:
-36 + 7x + -4x = 12

Combine like terms: 7x + -4x = 3x
-36 + 3x = 12

Solving
-36 + 3x = 12

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 3x = 12 + 36

Combine like terms: -36 + 36 = 0
0 + 3x = 12 + 36
3x = 12 + 36

Combine like terms: 12 + 36 = 48
3x = 48

Divide each side by '3'.
x = 16

Simplifying
x = 16

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