12-3(x-5)=2(x-4)+15

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Solution for 12-3(x-5)=2(x-4)+15 equation:


Simplifying
12 + -3(x + -5) = 2(x + -4) + 15

Reorder the terms:
12 + -3(-5 + x) = 2(x + -4) + 15
12 + (-5 * -3 + x * -3) = 2(x + -4) + 15
12 + (15 + -3x) = 2(x + -4) + 15

Combine like terms: 12 + 15 = 27
27 + -3x = 2(x + -4) + 15

Reorder the terms:
27 + -3x = 2(-4 + x) + 15
27 + -3x = (-4 * 2 + x * 2) + 15
27 + -3x = (-8 + 2x) + 15

Reorder the terms:
27 + -3x = -8 + 15 + 2x

Combine like terms: -8 + 15 = 7
27 + -3x = 7 + 2x

Solving
27 + -3x = 7 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
27 + -3x + -2x = 7 + 2x + -2x

Combine like terms: -3x + -2x = -5x
27 + -5x = 7 + 2x + -2x

Combine like terms: 2x + -2x = 0
27 + -5x = 7 + 0
27 + -5x = 7

Add '-27' to each side of the equation.
27 + -27 + -5x = 7 + -27

Combine like terms: 27 + -27 = 0
0 + -5x = 7 + -27
-5x = 7 + -27

Combine like terms: 7 + -27 = -20
-5x = -20

Divide each side by '-5'.
x = 4

Simplifying
x = 4

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