6-2[x-5(x+3)]=20

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Solution for 6-2[x-5(x+3)]=20 equation:


Simplifying
6 + -2[x + -5(x + 3)] = 20

Reorder the terms:
6 + -2[x + -5(3 + x)] = 20
6 + -2[x + (3 * -5 + x * -5)] = 20
6 + -2[x + (-15 + -5x)] = 20

Reorder the terms:
6 + -2[-15 + x + -5x] = 20

Combine like terms: x + -5x = -4x
6 + -2[-15 + -4x] = 20
6 + [-15 * -2 + -4x * -2] = 20
6 + [30 + 8x] = 20

Combine like terms: 6 + 30 = 36
36 + 8x = 20

Solving
36 + 8x = 20

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 8x = 20 + -36

Combine like terms: 36 + -36 = 0
0 + 8x = 20 + -36
8x = 20 + -36

Combine like terms: 20 + -36 = -16
8x = -16

Divide each side by '8'.
x = -2

Simplifying
x = -2

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