-3-12=x+4

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


Simplifying
-3 + -12 = x + 4

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

Reorder the terms:
-15 = 4 + x

Solving
-15 = 4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-15 + -1x = 4 + x + -1x

Combine like terms: x + -1x = 0
-15 + -1x = 4 + 0
-15 + -1x = 4

Add '15' to each side of the equation.
-15 + 15 + -1x = 4 + 15

Combine like terms: -15 + 15 = 0
0 + -1x = 4 + 15
-1x = 4 + 15

Combine like terms: 4 + 15 = 19
-1x = 19

Divide each side by '-1'.
x = -19

Simplifying
x = -19

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