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Q. five times the sum of 3 and some number is 70. What is the number?

I did the problem and got 13...but the answer is 11. I cannot figure out what I am doing wrong??

You must use parentheses when it says sum. 5(x +3) = 70 is correct set up.

5(x +3 )= 70
5x + 15 = 70
5x = 70 - 15
5 x = 55
x = 11

Thank you..i see where i went wrong

help with my homework please

1 answer

Three
times the sum of some number plus
22
is equal to
55
times the number minus
66.
Find the number.
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