Question

Pls help i don't under stand

Answer 1

for level 1: x=36

because you just need to do 180-144

for level 2: x = 127

you can just so 180-15-38

for level 3: x = 36

because you start by setting an equation like this:

92 + (2x+16) = 180

subtract 92 from both sides, then subtract 16 from both sides, and finally divide both sides by 2 to get 36