alleypryor7 alleypryor7

19-12-2020
Mathematics

contestada

solve for c

solve for r

solve for c solve for r class=

Respuesta :

Izzy1974 Izzy1974

19-12-2020

Answer:

Step-by-step explanation:

9(c+7)=27

9c+63=27 subtract 63 from both sides

9c= -36 divide by 9

c= -4

3(2r-8)+4r=76 foil

6r-24+4r=76 combine like terms

10r-24=76 add 24 to both sides

10r+100 divide by 10

r= 10

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