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39 votes
3s + 4t = 22
8s + 8t = 48
What is s and what is t
(Similtaneous Equations)

User Deej
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1 Answer

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27 votes

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Answer:

(s, t) = (2, 4)

Explanation:

We can eliminate the t variable by subtracting the first equation from half the second.

(1/2)(8s +8t) -(3s +4t) = (1/2)(48) -(22)

s = 2

3(2) +4t = 22

4t = 16

t = 4

The solution is (s, t) = (2, 4).

User IgorGIS
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