4x+3-7=3x-12

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Solution for 4x+3-7=3x-12 equation:


Simplifying
4x + 3 + -7 = 3x + -12

Reorder the terms:
3 + -7 + 4x = 3x + -12

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

Reorder the terms:
-4 + 4x = -12 + 3x

Solving
-4 + 4x = -12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-4 + 4x + -3x = -12 + 3x + -3x

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

Combine like terms: 3x + -3x = 0
-4 + 1x = -12 + 0
-4 + 1x = -12

Add '4' to each side of the equation.
-4 + 4 + 1x = -12 + 4

Combine like terms: -4 + 4 = 0
0 + 1x = -12 + 4
1x = -12 + 4

Combine like terms: -12 + 4 = -8
1x = -8

Divide each side by '1'.
x = -8

Simplifying
x = -8

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