Mathematics
Mathematics, 04.03.2022 16:10, jan1829

1st equation: 5x + 4y = 7 2nd equation: 2x โ€“ 3y = 3
-
=
A) Substitute โ€“10y + 7 for x in the second equation.
B) Substitute 3y + 3 for x in the second equation.
C) Multiply the first equation by 3, multiply the second
equation by 4, then add the resulting equations
together.
D) Multiply the first equation by 2, multiply the second
equation 5, then add the resulting equations together

answer
Answers: 3

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Do you know the correct answer?
1st equation: 5x + 4y = 7 2nd equation: 2x โ€“ 3y = 3
-
=
A) Substitute โ€“10y + 7 f...

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