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qnae qnae
  • 19-05-2015
  • Mathematics
Answered

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

Verified Answer :

saya
saya saya
  • 19-05-2015

If 7=x? No.
5(7)-3=12

35-3=12

32=12

32 ≠12.....so no, it isn't.

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hodster hodster
  • 19-05-2015

No

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

5x=15

Divide each side by 5
x=3

Answer Link

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