4+2x=6+15+x

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Solution for 4+2x=6+15+x equation: 


Simplifying
4 + 2x = 6 + 15 + x

Combine like terms: 6 + 15 = 21
4 + 2x = 21 + x

Solving
4 + 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.
4 + 2x + -1x = 21 + x + -1x

Combine like terms: 2x + -1x = 1x
4 + 1x = 21 + x + -1x

Combine like terms: x + -1x = 0
4 + 1x = 21 + 0
4 + 1x = 21

Add '-4' to each side of the equation.
4 + -4 + 1x = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 1x = 21 + -4
1x = 21 + -4

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

Divide each side by '1'.
x = 17

Simplifying
x = 17

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