3x-12+x=-15-4x-3

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Solution for 3x-12+x=-15-4x-3 equation:


Simplifying
3x + -12 + x = -15 + -4x + -3

Reorder the terms:
-12 + 3x + x = -15 + -4x + -3

Combine like terms: 3x + x = 4x
-12 + 4x = -15 + -4x + -3

Reorder the terms:
-12 + 4x = -15 + -3 + -4x

Combine like terms: -15 + -3 = -18
-12 + 4x = -18 + -4x

Solving
-12 + 4x = -18 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-12 + 4x + 4x = -18 + -4x + 4x

Combine like terms: 4x + 4x = 8x
-12 + 8x = -18 + -4x + 4x

Combine like terms: -4x + 4x = 0
-12 + 8x = -18 + 0
-12 + 8x = -18

Add '12' to each side of the equation.
-12 + 12 + 8x = -18 + 12

Combine like terms: -12 + 12 = 0
0 + 8x = -18 + 12
8x = -18 + 12

Combine like terms: -18 + 12 = -6
8x = -6

Divide each side by '8'.
x = -0.75

Simplifying
x = -0.75

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