17+2n=21+2n

Subtract 2n from both sides of the equation.

17+2n-2n=21

Combine the opposite terms in 17+2n-2n.

Subtract 2n from 2n.

17+0=21

Add 17 and 0.

17=21

17=21

17=21

Since 17≠21, there are no solutions.

No solution

Solve for n 17+2n=21+2n

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# Solve for n 17+2n=21+2n

17+2n=21+2n

Subtract 2n from both sides of the equation.

17+2n-2n=21

Combine the opposite terms in 17+2n-2n.

Subtract 2n from 2n.

17+0=21

Add 17 and 0.

17=21

17=21

17=21

Since 17≠21, there are no solutions.

No solution

Solve for n 17+2n=21+2n