qnae
qnae
19-05-2015
Mathematics
Answered
is 7 a solution of 5x-3=12?
Answer :
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.
Answer Link
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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