-[4x-(8x+9)]=9+(3x+4)

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Solution for -[4x-(8x+9)]=9+(3x+4) equation:


Simplifying
-1[4x + -1(8x + 9)] = 9 + (3x + 4)

Reorder the terms:
-1[4x + -1(9 + 8x)] = 9 + (3x + 4)
-1[4x + (9 * -1 + 8x * -1)] = 9 + (3x + 4)
-1[4x + (-9 + -8x)] = 9 + (3x + 4)

Reorder the terms:
-1[-9 + 4x + -8x] = 9 + (3x + 4)

Combine like terms: 4x + -8x = -4x
-1[-9 + -4x] = 9 + (3x + 4)
[-9 * -1 + -4x * -1] = 9 + (3x + 4)
[9 + 4x] = 9 + (3x + 4)

Reorder the terms:
9 + 4x = 9 + (4 + 3x)

Remove parenthesis around (4 + 3x)
9 + 4x = 9 + 4 + 3x

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

Solving
9 + 4x = 13 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
9 + 4x + -3x = 13 + 3x + -3x

Combine like terms: 4x + -3x = 1x
9 + 1x = 13 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + 1x = 13 + 0
9 + 1x = 13

Add '-9' to each side of the equation.
9 + -9 + 1x = 13 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = 13 + -9
1x = 13 + -9

Combine like terms: 13 + -9 = 4
1x = 4

Divide each side by '1'.
x = 4

Simplifying
x = 4

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