21=8+x (solve for x)

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asked Jun 25, 2022 231k views

21 votes

21=8+x (solve for x)

Mathematics
college

Alex Santelle asked

by Alex Santelle

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2 Answers

4 votes

Answer:

x=13

Explanation:

21=8+x

Swap sides so that all variable terms are on the left hand side.

8+x=21

Subtract 8 from both sides.

x=21−8

Subtract 8 from 21 to get 13.

x=13

Alea answered Jun 25, 2022

by Alea

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0 votes

Answer:

X=13

Explanation:

Bjan answered Jul 2, 2022

by Bjan

4.5k points

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