Lisa is 4 years older than three times her brother sammy’s age.
let s represent sammy’s age and l represent lisa's age.
which expression represents lisa’s age?
l = 3s
l = 3s + 4
l = 4s + 3
l = s + 4

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get