2r + 8 - r = -7

Combine like terms

-15

Step-by-step explanation: 2r+8-r=-7

1r +8 = -7

1/1       -15/1

r = -15

Step-by-step explanation:

2r - r = -7 -8

r = -15

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

idk

step-by-step explanation: