12-7x+4x=27

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Solution for 12-7x+4x=27 equation: 


Simplifying
12 + -7x + 4x = 27

Combine like terms: -7x + 4x = -3x
12 + -3x = 27

Solving
12 + -3x = 27

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -3x = 27 + -12

Combine like terms: 12 + -12 = 0
0 + -3x = 27 + -12
-3x = 27 + -12

Combine like terms: 27 + -12 = 15
-3x = 15

Divide each side by '-3'.
x = -5

Simplifying
x = -5

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