15-[-3x+(8x-2)]=7

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Solution for 15-[-3x+(8x-2)]=7 equation:


Simplifying
15 + -1[-3x + (8x + -2)] = 7

Reorder the terms:
15 + -1[-3x + (-2 + 8x)] = 7

Remove parenthesis around (-2 + 8x)
15 + -1[-3x + -2 + 8x] = 7

Reorder the terms:
15 + -1[-2 + -3x + 8x] = 7

Combine like terms: -3x + 8x = 5x
15 + -1[-2 + 5x] = 7
15 + [-2 * -1 + 5x * -1] = 7
15 + [2 + -5x] = 7

Combine like terms: 15 + 2 = 17
17 + -5x = 7

Solving
17 + -5x = 7

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + -5x = 7 + -17

Combine like terms: 17 + -17 = 0
0 + -5x = 7 + -17
-5x = 7 + -17

Combine like terms: 7 + -17 = -10
-5x = -10

Divide each side by '-5'.
x = 2

Simplifying
x = 2

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