2 years ago

The sum of eight times a number and fifteen is seven

1 answer:

3 0

8x+15=7

In the statement the phrase the sum of can tell you that it is going to be an addition problem. So 8x ( eight times a number) would be added to the 15, 8x+15. Since its an addition problem the part where it says ' ... is seven', you know that it will all equal 7. So the answer would be 8x+15=7.

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What expression are equivalent 4^-32/4^2?

pickupchik [31]

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3 years ago

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madam [21]

A. is D=C+26

B is no

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3 years ago

17/21- (3/7 + 2/7) please answer quick

adoni [48]

Answer:

2/21

Step-by-step explanation:

17/21 -(3/7 + 2/7)

First you add

=17/21 - (5/7)

Then you want to subtract

=2/21