-[8x+(5x+7)]=9-(4x+6)

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Solution for -[8x+(5x+7)]=9-(4x+6) equation:


Simplifying
-1[8x + (5x + 7)] = 9 + -1(4x + 6)

Reorder the terms:
-1[8x + (7 + 5x)] = 9 + -1(4x + 6)

Remove parenthesis around (7 + 5x)
-1[8x + 7 + 5x] = 9 + -1(4x + 6)

Reorder the terms:
-1[7 + 8x + 5x] = 9 + -1(4x + 6)

Combine like terms: 8x + 5x = 13x
-1[7 + 13x] = 9 + -1(4x + 6)
[7 * -1 + 13x * -1] = 9 + -1(4x + 6)
[-7 + -13x] = 9 + -1(4x + 6)

Reorder the terms:
-7 + -13x = 9 + -1(6 + 4x)
-7 + -13x = 9 + (6 * -1 + 4x * -1)
-7 + -13x = 9 + (-6 + -4x)

Combine like terms: 9 + -6 = 3
-7 + -13x = 3 + -4x

Solving
-7 + -13x = 3 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-7 + -13x + 4x = 3 + -4x + 4x

Combine like terms: -13x + 4x = -9x
-7 + -9x = 3 + -4x + 4x

Combine like terms: -4x + 4x = 0
-7 + -9x = 3 + 0
-7 + -9x = 3

Add '7' to each side of the equation.
-7 + 7 + -9x = 3 + 7

Combine like terms: -7 + 7 = 0
0 + -9x = 3 + 7
-9x = 3 + 7

Combine like terms: 3 + 7 = 10
-9x = 10

Divide each side by '-9'.
x = -1.111111111

Simplifying
x = -1.111111111

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