21+(3x+5)=x

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Solution for 21+(3x+5)=x equation:


Simplifying
21 + (3x + 5) = x

Reorder the terms:
21 + (5 + 3x) = x

Remove parenthesis around (5 + 3x)
21 + 5 + 3x = x

Combine like terms: 21 + 5 = 26
26 + 3x = x

Solving
26 + 3x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
26 + 3x + -1x = x + -1x

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

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

Add '-26' to each side of the equation.
26 + -26 + 2x = 0 + -26

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

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

Divide each side by '2'.
x = -13

Simplifying
x = -13

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