Question

3(u+6)=42

Explain the steps please

Answer 1

u = 8

Check
3(8+6)=42
3(14)=42
Reverse the problem!

Answer 2

distribute the 3 to u and 6 and multiply so it would equal 3u+18=42 then subtract 18 from each side so it equals 3u=24 so u=8