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Alona [7]
3 years ago
5

3(r + 8) = 72. Do I use the Distributive property and multiply 3 by r and 8 and then continue or do I subtract 8 first? Help ple

ase!
Mathematics
2 answers:
Annette [7]3 years ago
4 0
Distributive property then subtract...think of it as going the opposite of pemdas when solving for a variable
3r+24=72
3r=48
r=16
pogonyaev3 years ago
4 0
U have to distribute first so it would be:
3r+24=72
3r=48
r=16
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