-12+4x=7x-(x-15)

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Solution for -12+4x=7x-(x-15) equation:


Simplifying
-12 + 4x = 7x + -1(x + -15)

Reorder the terms:
-12 + 4x = 7x + -1(-15 + x)
-12 + 4x = 7x + (-15 * -1 + x * -1)
-12 + 4x = 7x + (15 + -1x)

Reorder the terms:
-12 + 4x = 15 + 7x + -1x

Combine like terms: 7x + -1x = 6x
-12 + 4x = 15 + 6x

Solving
-12 + 4x = 15 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-12 + 4x + -6x = 15 + 6x + -6x

Combine like terms: 4x + -6x = -2x
-12 + -2x = 15 + 6x + -6x

Combine like terms: 6x + -6x = 0
-12 + -2x = 15 + 0
-12 + -2x = 15

Add '12' to each side of the equation.
-12 + 12 + -2x = 15 + 12

Combine like terms: -12 + 12 = 0
0 + -2x = 15 + 12
-2x = 15 + 12

Combine like terms: 15 + 12 = 27
-2x = 27

Divide each side by '-2'.
x = -13.5

Simplifying
x = -13.5

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