5x-21=13+3x

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Solution for 5x-21=13+3x equation:


Simplifying
5x + -21 = 13 + 3x

Reorder the terms:
-21 + 5x = 13 + 3x

Solving
-21 + 5x = 13 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-21 + 5x + -3x = 13 + 3x + -3x

Combine like terms: 5x + -3x = 2x
-21 + 2x = 13 + 3x + -3x

Combine like terms: 3x + -3x = 0
-21 + 2x = 13 + 0
-21 + 2x = 13

Add '21' to each side of the equation.
-21 + 21 + 2x = 13 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 13 + 21
2x = 13 + 21

Combine like terms: 13 + 21 = 34
2x = 34

Divide each side by '2'.
x = 17

Simplifying
x = 17

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