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3 years ago

5y - 3z + 4y -1z - 3y; y = 3 and z = -2

Mathematics

1 answer:

Dafna11 [192]3 years ago

8 0

5(3)-3(-2)
15-(-6)=
15+6=21
a negative plus a negative is a positive so its 21
4(3)-3(-2)
12-(-6)
12+6=18
21+18=39

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