Question

Which of the following represents “ 10 times the sum of a number and 14 is equal 9 times the number”?

Answer 1

The expressión is:

10(a+14) = 9a

and the number is:

-140

Explanation:

The expression is:

10(a+14) = 9a

then:

10*a + 10*14 = 9a

10a + 140 = 9a

10a - 9a = -140

a = -140

Check:

10(-140+14) = 9*140

10*-126 = 1260