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Tues. 2.15 Question: Mr. Becker solved the following equation: 10x = 3x + 21. He got an an answer of X=2. Did Mr. Becker get the answer correct? If not, what did he do wrong.
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4 votes
Tues. 2.15 Question: Mr. Becker solved the

following equation: 10x = 3x + 21. He got an an
answer of X=2. Did Mr. Becker get the answer
correct? If not, what did he do wrong.

User Dshanahan
by
8.4k points

1 Answer

3 votes

Answer:

YES X=3

Explanation:

10x=3x+21

-3x -3x

7x=21

________ . *DIVIDE BY 7 on each side

7 7

X=3

User Kmitov
by
6.8k points
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