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Evgesh-ka [11]
4 years ago
7

Solving system using subsitution

Mathematics
1 answer:
hichkok12 [17]4 years ago
8 0
Below is the solution:

<span>8t + 5p = 220
5t + p = 112
 
From the second equation:
p = 112 - 5t
 
Replace into first:
8t + 5(112 - 5t) = 220
t = 20


 p = 112 - 5t = 112 - 100 = 12
</span>
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