Question

6 + 18r = 20r - 18 - 4r

Answer 1

R=-6

Explanation:

6 +18r =20r -18 -4r

-4r

6 +18r =16r -18

-16r =-16r

6 +2r =-18

-6 = -6

2r=-12

Divide by 2 on both sides and you get -6