Let "x" be the "number"
"Seven more" is +7
"Twice a number" is 2x
"Equals 15" is = 15
Put them all together to get:
2x+7 = 15
2x = 8
x = 4
----
Check the answer:
Does 2*4 + 7 = 15?
Yes: 8 + 7 = 15, so the "number" is 4.
Evelina S.
asked • 08/17/21Seven more than twice a number equals fifteen PLEASE answer quickly
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