-6(x-1)+20x=7(x+1)-15

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Solution for -6(x-1)+20x=7(x+1)-15 equation:


Simplifying
-6(x + -1) + 20x = 7(x + 1) + -15

Reorder the terms:
-6(-1 + x) + 20x = 7(x + 1) + -15
(-1 * -6 + x * -6) + 20x = 7(x + 1) + -15
(6 + -6x) + 20x = 7(x + 1) + -15

Combine like terms: -6x + 20x = 14x
6 + 14x = 7(x + 1) + -15

Reorder the terms:
6 + 14x = 7(1 + x) + -15
6 + 14x = (1 * 7 + x * 7) + -15
6 + 14x = (7 + 7x) + -15

Reorder the terms:
6 + 14x = 7 + -15 + 7x

Combine like terms: 7 + -15 = -8
6 + 14x = -8 + 7x

Solving
6 + 14x = -8 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
6 + 14x + -7x = -8 + 7x + -7x

Combine like terms: 14x + -7x = 7x
6 + 7x = -8 + 7x + -7x

Combine like terms: 7x + -7x = 0
6 + 7x = -8 + 0
6 + 7x = -8

Add '-6' to each side of the equation.
6 + -6 + 7x = -8 + -6

Combine like terms: 6 + -6 = 0
0 + 7x = -8 + -6
7x = -8 + -6

Combine like terms: -8 + -6 = -14
7x = -14

Divide each side by '7'.
x = -2

Simplifying
x = -2

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