5-(3x-21)=(4-2x)-8

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Solution for 5-(3x-21)=(4-2x)-8 equation:


Simplifying
5 + -1(3x + -21) = (4 + -2x) + -8

Reorder the terms:
5 + -1(-21 + 3x) = (4 + -2x) + -8
5 + (-21 * -1 + 3x * -1) = (4 + -2x) + -8
5 + (21 + -3x) = (4 + -2x) + -8

Combine like terms: 5 + 21 = 26
26 + -3x = (4 + -2x) + -8

Remove parenthesis around (4 + -2x)
26 + -3x = 4 + -2x + -8

Reorder the terms:
26 + -3x = 4 + -8 + -2x

Combine like terms: 4 + -8 = -4
26 + -3x = -4 + -2x

Solving
26 + -3x = -4 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
26 + -3x + 2x = -4 + -2x + 2x

Combine like terms: -3x + 2x = -1x
26 + -1x = -4 + -2x + 2x

Combine like terms: -2x + 2x = 0
26 + -1x = -4 + 0
26 + -1x = -4

Add '-26' to each side of the equation.
26 + -26 + -1x = -4 + -26

Combine like terms: 26 + -26 = 0
0 + -1x = -4 + -26
-1x = -4 + -26

Combine like terms: -4 + -26 = -30
-1x = -30

Divide each side by '-1'.
x = 30

Simplifying
x = 30

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