17+2x=21+x

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


Simplifying
17 + 2x = 21 + x

Solving
17 + 2x = 21 + 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.
17 + 2x + -1x = 21 + x + -1x

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

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

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

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

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

Divide each side by '1'.
x = 4

Simplifying
x = 4

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