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

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


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

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

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

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

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

Reorder the terms:
-7 + -13x = 4 + -1(8 + 9x)
-7 + -13x = 4 + (8 * -1 + 9x * -1)
-7 + -13x = 4 + (-8 + -9x)

Combine like terms: 4 + -8 = -4
-7 + -13x = -4 + -9x

Solving
-7 + -13x = -4 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-7 + -13x + 9x = -4 + -9x + 9x

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

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

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

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

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

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

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