4x+5-x+7=12

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Solution for 4x+5-x+7=12 equation:


Simplifying
4x + 5 + -1x + 7 = 12

Reorder the terms:
5 + 7 + 4x + -1x = 12

Combine like terms: 5 + 7 = 12
12 + 4x + -1x = 12

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

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

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

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

Solving
3x = 0

Solving for variable 'x'.

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

Divide each side by '3'.
x = 0

Simplifying
x = 0

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