12=10x+15(x-1)

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Solution for 12=10x+15(x-1) equation:


Simplifying
12 = 10x + 15(x + -1)

Reorder the terms:
12 = 10x + 15(-1 + x)
12 = 10x + (-1 * 15 + x * 15)
12 = 10x + (-15 + 15x)

Reorder the terms:
12 = -15 + 10x + 15x

Combine like terms: 10x + 15x = 25x
12 = -15 + 25x

Solving
12 = -15 + 25x

Solving for variable 'x'.

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

Add '-25x' to each side of the equation.
12 + -25x = -15 + 25x + -25x

Combine like terms: 25x + -25x = 0
12 + -25x = -15 + 0
12 + -25x = -15

Add '-12' to each side of the equation.
12 + -12 + -25x = -15 + -12

Combine like terms: 12 + -12 = 0
0 + -25x = -15 + -12
-25x = -15 + -12

Combine like terms: -15 + -12 = -27
-25x = -27

Divide each side by '-25'.
x = 1.08

Simplifying
x = 1.08

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