Question

1/3(3+2x)−1=10


20pts

Answer 1

(1/3)(3+2x)-1=10
(1/3)(3+2x)-1+1=10+1
(1/3)(3+2x)=11
(3)(1/3)(3+2x)=11 (3)
3+2x=33
-3+3+2x=33-3
2x=30
2x/2=30/2
X=15

Answer 2

1/3(3+2x)=10+1
3+2x= 11x3
2x= 33-3
x= 30/2= 15