-[3x+(6x+7)]=6-(5x+8)

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Solution for -[3x+(6x+7)]=6-(5x+8) equation:


Simplifying
-1[3x + (6x + 7)] = 6 + -1(5x + 8)

Reorder the terms:
-1[3x + (7 + 6x)] = 6 + -1(5x + 8)

Remove parenthesis around (7 + 6x)
-1[3x + 7 + 6x] = 6 + -1(5x + 8)

Reorder the terms:
-1[7 + 3x + 6x] = 6 + -1(5x + 8)

Combine like terms: 3x + 6x = 9x
-1[7 + 9x] = 6 + -1(5x + 8)
[7 * -1 + 9x * -1] = 6 + -1(5x + 8)
[-7 + -9x] = 6 + -1(5x + 8)

Reorder the terms:
-7 + -9x = 6 + -1(8 + 5x)
-7 + -9x = 6 + (8 * -1 + 5x * -1)
-7 + -9x = 6 + (-8 + -5x)

Combine like terms: 6 + -8 = -2
-7 + -9x = -2 + -5x

Solving
-7 + -9x = -2 + -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.
-7 + -9x + 5x = -2 + -5x + 5x

Combine like terms: -9x + 5x = -4x
-7 + -4x = -2 + -5x + 5x

Combine like terms: -5x + 5x = 0
-7 + -4x = -2 + 0
-7 + -4x = -2

Add '7' to each side of the equation.
-7 + 7 + -4x = -2 + 7

Combine like terms: -7 + 7 = 0
0 + -4x = -2 + 7
-4x = -2 + 7

Combine like terms: -2 + 7 = 5
-4x = 5

Divide each side by '-4'.
x = -1.25

Simplifying
x = -1.25

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