8x-2[20-3(x-4)]=20

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Solution for 8x-2[20-3(x-4)]=20 equation:


Simplifying
8x + -2[20 + -3(x + -4)] = 20

Reorder the terms:
8x + -2[20 + -3(-4 + x)] = 20
8x + -2[20 + (-4 * -3 + x * -3)] = 20
8x + -2[20 + (12 + -3x)] = 20

Combine like terms: 20 + 12 = 32
8x + -2[32 + -3x] = 20
8x + [32 * -2 + -3x * -2] = 20
8x + [-64 + 6x] = 20

Reorder the terms:
-64 + 8x + 6x = 20

Combine like terms: 8x + 6x = 14x
-64 + 14x = 20

Solving
-64 + 14x = 20

Solving for variable 'x'.

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

Add '64' to each side of the equation.
-64 + 64 + 14x = 20 + 64

Combine like terms: -64 + 64 = 0
0 + 14x = 20 + 64
14x = 20 + 64

Combine like terms: 20 + 64 = 84
14x = 84

Divide each side by '14'.
x = 6

Simplifying
x = 6

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