3x-21=-17+2x

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Solution for 3x-21=-17+2x equation:


Simplifying
3x + -21 = -17 + 2x

Reorder the terms:
-21 + 3x = -17 + 2x

Solving
-21 + 3x = -17 + 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.
-21 + 3x + -2x = -17 + 2x + -2x

Combine like terms: 3x + -2x = 1x
-21 + 1x = -17 + 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + 1x = -17 + 0
-21 + 1x = -17

Add '21' to each side of the equation.
-21 + 21 + 1x = -17 + 21

Combine like terms: -21 + 21 = 0
0 + 1x = -17 + 21
1x = -17 + 21

Combine like terms: -17 + 21 = 4
1x = 4

Divide each side by '1'.
x = 4

Simplifying
x = 4

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