f(x)=2/3x+1
f(3)= 2/3 x (3) +1
f(3) =2+1
f(3)=3
f(-5) =3/4(-5)+1 f(-5)= (3 x-5)/4+1 f(-5)= -15/4 +1= -15/4+4/4=19/4
f(-3/4)=2/3(-3/4)+1= -6/12+1 =-1/2+1=-1/2+2/2=1/2
1=2/3x+1
2/3x =1-1 2/3x=0 x=0
7/15= 2/3x+1
7/15-1=2/3x
7/15-15/15=2/3x
-8/15=2/3x
(-8/15 x 3/2)=x -24/30=x -(4x6)/6x5 = -4/5