-3x-4=-7x-12

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


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

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

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

Solving
-4 + -3x = -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.
-4 + -3x + 7x = -12 + -7x + 7x

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

Combine like terms: -7x + 7x = 0
-4 + 4x = -12 + 0
-4 + 4x = -12

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

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

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

Divide each side by '4'.
x = -2

Simplifying
x = -2

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