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

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Solution for -[5x+(7x+9)]=5-(4x+1) equation:


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

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

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

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

Combine like terms: 5x + 7x = 12x
-1[9 + 12x] = 5 + -1(4x + 1)
[9 * -1 + 12x * -1] = 5 + -1(4x + 1)
[-9 + -12x] = 5 + -1(4x + 1)

Reorder the terms:
-9 + -12x = 5 + -1(1 + 4x)
-9 + -12x = 5 + (1 * -1 + 4x * -1)
-9 + -12x = 5 + (-1 + -4x)

Combine like terms: 5 + -1 = 4
-9 + -12x = 4 + -4x

Solving
-9 + -12x = 4 + -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.
-9 + -12x + 4x = 4 + -4x + 4x

Combine like terms: -12x + 4x = -8x
-9 + -8x = 4 + -4x + 4x

Combine like terms: -4x + 4x = 0
-9 + -8x = 4 + 0
-9 + -8x = 4

Add '9' to each side of the equation.
-9 + 9 + -8x = 4 + 9

Combine like terms: -9 + 9 = 0
0 + -8x = 4 + 9
-8x = 4 + 9

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

Divide each side by '-8'.
x = -1.625

Simplifying
x = -1.625

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