-4(x+3)=15-x

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Solution for -4(x+3)=15-x equation:


Simplifying
-4(x + 3) = 15 + -1x

Reorder the terms:
-4(3 + x) = 15 + -1x
(3 * -4 + x * -4) = 15 + -1x
(-12 + -4x) = 15 + -1x

Solving
-12 + -4x = 15 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-12 + -4x + x = 15 + -1x + x

Combine like terms: -4x + x = -3x
-12 + -3x = 15 + -1x + x

Combine like terms: -1x + x = 0
-12 + -3x = 15 + 0
-12 + -3x = 15

Add '12' to each side of the equation.
-12 + 12 + -3x = 15 + 12

Combine like terms: -12 + 12 = 0
0 + -3x = 15 + 12
-3x = 15 + 12

Combine like terms: 15 + 12 = 27
-3x = 27

Divide each side by '-3'.
x = -9

Simplifying
x = -9

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