4(x-4)-2(3x-8)=21

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Solution for 4(x-4)-2(3x-8)=21 equation: 


Simplifying
4(x + -4) + -2(3x + -8) = 21

Reorder the terms:
4(-4 + x) + -2(3x + -8) = 21
(-4 * 4 + x * 4) + -2(3x + -8) = 21
(-16 + 4x) + -2(3x + -8) = 21

Reorder the terms:
-16 + 4x + -2(-8 + 3x) = 21
-16 + 4x + (-8 * -2 + 3x * -2) = 21
-16 + 4x + (16 + -6x) = 21

Reorder the terms:
-16 + 16 + 4x + -6x = 21

Combine like terms: -16 + 16 = 0
0 + 4x + -6x = 21
4x + -6x = 21

Combine like terms: 4x + -6x = -2x
-2x = 21

Solving
-2x = 21

Solving for variable 'x'.

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

Divide each side by '-2'.
x = -10.5

Simplifying
x = -10.5

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