12=-4(x-3)+15

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


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

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

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

Combine like terms: 12 + 15 = 27
12 = 27 + -4x

Solving
12 = 27 + -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 = 27 + -4x + 4x

Combine like terms: -4x + 4x = 0
12 + 4x = 27 + 0
12 + 4x = 27

Add '-12' to each side of the equation.
12 + -12 + 4x = 27 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 27 + -12
4x = 27 + -12

Combine like terms: 27 + -12 = 15
4x = 15

Divide each side by '4'.
x = 3.75

Simplifying
x = 3.75

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