-13+25=-3(x+4)

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Solution for -13+25=-3(x+4) equation:


Simplifying
-13 + 25 = -3(x + 4)

Combine like terms: -13 + 25 = 12
12 = -3(x + 4)

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

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

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

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

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

Combine like terms: -12 + -12 = -24
3x = -24

Divide each side by '3'.
x = -8

Simplifying
x = -8

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