8[4-5(x-1)]+7[(3x+7)-8]=11-340

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Solution for 8[4-5(x-1)]+7[(3x+7)-8]=11-340 equation:


Simplifying
8[4 + -5(x + -1)] + 7[(3x + 7) + -8] = 11 + -340

Reorder the terms:
8[4 + -5(-1 + x)] + 7[(3x + 7) + -8] = 11 + -340
8[4 + (-1 * -5 + x * -5)] + 7[(3x + 7) + -8] = 11 + -340
8[4 + (5 + -5x)] + 7[(3x + 7) + -8] = 11 + -340

Combine like terms: 4 + 5 = 9
8[9 + -5x] + 7[(3x + 7) + -8] = 11 + -340
[9 * 8 + -5x * 8] + 7[(3x + 7) + -8] = 11 + -340
[72 + -40x] + 7[(3x + 7) + -8] = 11 + -340

Reorder the terms:
72 + -40x + 7[(7 + 3x) + -8] = 11 + -340

Remove parenthesis around (7 + 3x)
72 + -40x + 7[7 + 3x + -8] = 11 + -340

Reorder the terms:
72 + -40x + 7[7 + -8 + 3x] = 11 + -340

Combine like terms: 7 + -8 = -1
72 + -40x + 7[-1 + 3x] = 11 + -340
72 + -40x + [-1 * 7 + 3x * 7] = 11 + -340
72 + -40x + [-7 + 21x] = 11 + -340

Reorder the terms:
72 + -7 + -40x + 21x = 11 + -340

Combine like terms: 72 + -7 = 65
65 + -40x + 21x = 11 + -340

Combine like terms: -40x + 21x = -19x
65 + -19x = 11 + -340

Combine like terms: 11 + -340 = -329
65 + -19x = -329

Solving
65 + -19x = -329

Solving for variable 'x'.

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

Add '-65' to each side of the equation.
65 + -65 + -19x = -329 + -65

Combine like terms: 65 + -65 = 0
0 + -19x = -329 + -65
-19x = -329 + -65

Combine like terms: -329 + -65 = -394
-19x = -394

Divide each side by '-19'.
x = 20.73684211

Simplifying
x = 20.73684211

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