Two thirds the sum of 30 and a number is 26.

Question

write as an equation and solve

Answer 1

Let x = the unknown number.  Two thirds (2/3) the sum of 30 and a number (30+x) is (=) 26.

(2/3)*(30+x) = 26

 

2*(30 + x) = 78

 

60 + 2x = 78

 

2x = 18

 

Solve for x.