Question

118=6r+7(r+2) help me

Answer 1

118=6r+7r+14

118=13r+74

118-74=13r

44=13r

44/13=r

0.0096

Answer 2

118=6r+7(r+2)

118=6r+7(r+2)

118=6r+(7)(r)+(7)(2)(Distribute)

118=6r+7r+14

118=(6r+7r)+(14)(Combine Like Terms)

118=13r+14

118=13r+14

13r+14=118

13r+14−14=118−14

13r=104

Step 4: Divide both sides by 13.

13r

13

=

104

13

r=8