Solve the system of equations using elimination 15q - 4r = 62 5q + 8r = 86

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Gtournie asked Oct 11, 2023

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10 votes

Solve the system of equations using elimination

15q - 4r = 62
5q + 8r = 86

Mathematics
college

Gtournie asked Oct 11, 2023

by Gtournie

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1 Answer

23 votes

Answer:

q=6 r=7

Explanation:

2(15q-4r=62)

30q-8r=124

5q + 8r = 86

35q=210

q=6

5(6)+8r=86

30+8r=86

8r=56

r=7

Oletha answered Oct 18, 2023

by Oletha

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