2 years ago

Does anyone know this? Please help! ASAP!!!

Mathematics

2 answers:

Fudgin [204]2 years ago

8 0

The answers:
a=4
b=5
c=6
d=1

Deffense [45]2 years ago

5 0

Answer:

a=4

b=5

c=6

d=1

Step-by-step explanation:

4a=16

7+a+b=16

2b+c=16

a+b+c+d=16

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