Jorge used a graph to determine a solution to the following system of equations: x + y = 92 and y = 3x - 4 Jorge's answer is (67, 25). Is he correct? Explain how to check if his solution is correct without using a graph.

Question

Mathematics

Dunn

30 December, 06:18

Jorge used a graph to determine a solution to the following system of equations: x + y = 92 and y = 3x - 4 Jorge's answer is (67, 25). Is he correct? Explain how to check if his solution is correct without using a graph.

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Answers (1)

Know the Answer?

Jenna Reid · Answer 1

Hello:

x + y = 92 ... (1)

and

y = 3x - 4 ... (2)

subsct in (1) : x=67 and y=25

67+25 = 92

subsct in (2):

25 = 3 (67) - 4

25 = 197 confused

in correct solution.