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Is 7 a solution of 5x-3=12?

Is 7 a solution of 5x-3=12?
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4 votes
Is 7 a solution of 5x-3=12?

User Jeyamaran
by
7.6k points

2 Answers

1 vote
No

5x-3=12
Add 3 to each side of whole numbers

5x=15

Divide each side by 5
x=3
User Petrichor
by
7.8k points
4 votes
If 7=x? No.
5(7)-3=12
35-3=12
32=12
32 ≠12.....so no, it isn't.

User Ewall
by
8.1k points
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