[5(x+7)-11]-[3(x-9)+12]=

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Solution for [5(x+7)-11]-[3(x-9)+12]= equation:


Simplifying
[5(x + 7) + -11] + -1[3(x + -9) + 12] = 0

Reorder the terms:
[5(7 + x) + -11] + -1[3(x + -9) + 12] = 0
[(7 * 5 + x * 5) + -11] + -1[3(x + -9) + 12] = 0
[(35 + 5x) + -11] + -1[3(x + -9) + 12] = 0

Reorder the terms:
[35 + -11 + 5x] + -1[3(x + -9) + 12] = 0

Combine like terms: 35 + -11 = 24
[24 + 5x] + -1[3(x + -9) + 12] = 0

Remove brackets around [24 + 5x]
24 + 5x + -1[3(x + -9) + 12] = 0

Reorder the terms:
24 + 5x + -1[3(-9 + x) + 12] = 0
24 + 5x + -1[(-9 * 3 + x * 3) + 12] = 0
24 + 5x + -1[(-27 + 3x) + 12] = 0

Reorder the terms:
24 + 5x + -1[-27 + 12 + 3x] = 0

Combine like terms: -27 + 12 = -15
24 + 5x + -1[-15 + 3x] = 0
24 + 5x + [-15 * -1 + 3x * -1] = 0
24 + 5x + [15 + -3x] = 0

Reorder the terms:
24 + 15 + 5x + -3x = 0

Combine like terms: 24 + 15 = 39
39 + 5x + -3x = 0

Combine like terms: 5x + -3x = 2x
39 + 2x = 0

Solving
39 + 2x = 0

Solving for variable 'x'.

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

Add '-39' to each side of the equation.
39 + -39 + 2x = 0 + -39

Combine like terms: 39 + -39 = 0
0 + 2x = 0 + -39
2x = 0 + -39

Combine like terms: 0 + -39 = -39
2x = -39

Divide each side by '2'.
x = -19.5

Simplifying
x = -19.5

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