3x-21=17+5x

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Solution for 3x-21=17+5x equation:


Simplifying
3x + -21 = 17 + 5x

Reorder the terms:
-21 + 3x = 17 + 5x

Solving
-21 + 3x = 17 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-21 + 3x + -5x = 17 + 5x + -5x

Combine like terms: 3x + -5x = -2x
-21 + -2x = 17 + 5x + -5x

Combine like terms: 5x + -5x = 0
-21 + -2x = 17 + 0
-21 + -2x = 17

Add '21' to each side of the equation.
-21 + 21 + -2x = 17 + 21

Combine like terms: -21 + 21 = 0
0 + -2x = 17 + 21
-2x = 17 + 21

Combine like terms: 17 + 21 = 38
-2x = 38

Divide each side by '-2'.
x = -19

Simplifying
x = -19

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