Asked by Callie

8x=84
3(10.5)+14+5(10.5)-8
31.5+14+72.5-8
This ends up equaling 110, but it needs to equal 90. What am I doing wrong?
Answered by Reiny
I have no clue what your expression is or what you are doing, so I will just complete your arithmetic

3(10.5)+14+5(10.5)-8
= 31.5 + 14 + 52.5 - 8
= 90
Answered by Ms. Sue
3(10.5)+14+5(10.5)-8

31.5+14+72.5-8

31.5 + 14 + 52.5 - 8 = 90

Did you subtract the 8?



Answered by Ms. Sue
The middle line has a typo. It should be

31.5 + 14 + 52.5 - 8
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