4x+39=7x+12

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Solution for 4x+39=7x+12 equation:


Simplifying
4x + 39 = 7x + 12

Reorder the terms:
39 + 4x = 7x + 12

Reorder the terms:
39 + 4x = 12 + 7x

Solving
39 + 4x = 12 + 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.
39 + 4x + -7x = 12 + 7x + -7x

Combine like terms: 4x + -7x = -3x
39 + -3x = 12 + 7x + -7x

Combine like terms: 7x + -7x = 0
39 + -3x = 12 + 0
39 + -3x = 12

Add '-39' to each side of the equation.
39 + -39 + -3x = 12 + -39

Combine like terms: 39 + -39 = 0
0 + -3x = 12 + -39
-3x = 12 + -39

Combine like terms: 12 + -39 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

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