-15=3(x-1)+2x

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Solution for -15=3(x-1)+2x equation:


Simplifying
-15 = 3(x + -1) + 2x

Reorder the terms:
-15 = 3(-1 + x) + 2x
-15 = (-1 * 3 + x * 3) + 2x
-15 = (-3 + 3x) + 2x

Combine like terms: 3x + 2x = 5x
-15 = -3 + 5x

Solving
-15 = -3 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-15 + -5x = -3 + 5x + -5x

Combine like terms: 5x + -5x = 0
-15 + -5x = -3 + 0
-15 + -5x = -3

Add '15' to each side of the equation.
-15 + 15 + -5x = -3 + 15

Combine like terms: -15 + 15 = 0
0 + -5x = -3 + 15
-5x = -3 + 15

Combine like terms: -3 + 15 = 12
-5x = 12

Divide each side by '-5'.
x = -2.4

Simplifying
x = -2.4

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