7(x-3)+8(x+3)=6x-6

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Solution for 7(x-3)+8(x+3)=6x-6 equation:


Simplifying
7(x + -3) + 8(x + 3) = 6x + -6

Reorder the terms:
7(-3 + x) + 8(x + 3) = 6x + -6
(-3 * 7 + x * 7) + 8(x + 3) = 6x + -6
(-21 + 7x) + 8(x + 3) = 6x + -6

Reorder the terms:
-21 + 7x + 8(3 + x) = 6x + -6
-21 + 7x + (3 * 8 + x * 8) = 6x + -6
-21 + 7x + (24 + 8x) = 6x + -6

Reorder the terms:
-21 + 24 + 7x + 8x = 6x + -6

Combine like terms: -21 + 24 = 3
3 + 7x + 8x = 6x + -6

Combine like terms: 7x + 8x = 15x
3 + 15x = 6x + -6

Reorder the terms:
3 + 15x = -6 + 6x

Solving
3 + 15x = -6 + 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.
3 + 15x + -6x = -6 + 6x + -6x

Combine like terms: 15x + -6x = 9x
3 + 9x = -6 + 6x + -6x

Combine like terms: 6x + -6x = 0
3 + 9x = -6 + 0
3 + 9x = -6

Add '-3' to each side of the equation.
3 + -3 + 9x = -6 + -3

Combine like terms: 3 + -3 = 0
0 + 9x = -6 + -3
9x = -6 + -3

Combine like terms: -6 + -3 = -9
9x = -9

Divide each side by '9'.
x = -1

Simplifying
x = -1

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