Question

a) r /6 - r - 3 /4 = 2r /3 -1

b)1 + 2(x - 3) /-5 = 0

Answer 1

A) r/6 -r-3/4=2r/3-1
2r-12r-9=8r-12 (MMC = 12)
-10r-9=8r-12
-10r-8r=-12+9
-18r=-3
r=1/6

B) 1+2(x-3)/-5=0
1-2(x-3)/5=0
1- (2x-6)/5=0 (MMC = 5)
5-(2x-6)=0
5-2x+6=0
11-2x=0
-2x=-11
x=11/2