-[7x+(4x+5)]=9-(9x+3)

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Solution for -[7x+(4x+5)]=9-(9x+3) equation:


Simplifying
-1[7x + (4x + 5)] = 9 + -1(9x + 3)

Reorder the terms:
-1[7x + (5 + 4x)] = 9 + -1(9x + 3)

Remove parenthesis around (5 + 4x)
-1[7x + 5 + 4x] = 9 + -1(9x + 3)

Reorder the terms:
-1[5 + 7x + 4x] = 9 + -1(9x + 3)

Combine like terms: 7x + 4x = 11x
-1[5 + 11x] = 9 + -1(9x + 3)
[5 * -1 + 11x * -1] = 9 + -1(9x + 3)
[-5 + -11x] = 9 + -1(9x + 3)

Reorder the terms:
-5 + -11x = 9 + -1(3 + 9x)
-5 + -11x = 9 + (3 * -1 + 9x * -1)
-5 + -11x = 9 + (-3 + -9x)

Combine like terms: 9 + -3 = 6
-5 + -11x = 6 + -9x

Solving
-5 + -11x = 6 + -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.
-5 + -11x + 9x = 6 + -9x + 9x

Combine like terms: -11x + 9x = -2x
-5 + -2x = 6 + -9x + 9x

Combine like terms: -9x + 9x = 0
-5 + -2x = 6 + 0
-5 + -2x = 6

Add '5' to each side of the equation.
-5 + 5 + -2x = 6 + 5

Combine like terms: -5 + 5 = 0
0 + -2x = 6 + 5
-2x = 6 + 5

Combine like terms: 6 + 5 = 11
-2x = 11

Divide each side by '-2'.
x = -5.5

Simplifying
x = -5.5

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