Question

Solve 5x − 6y = −38
3x + 4y = 0

(4, 3)

(−4, 3)

(4, −3)

(−4, −3)

Answer 1

5x - 6y = -38
5x = 6y - 38
x = 6/5y - 38/5

3x +4y = 0
4y = -3(6/5y - 38/5)
4y = -18/5y + 114/5
4y + 18/5y = 114/5
20/5y + 18/5y = 114/5
38/5y = 114/5
Multiply both sides by 5 to get ride of the denominator
38y = 114y
38/38y = 114/38
y = 3

x = 6/5y - 38/5
x = 6/5(3) - 38/5
x = 18/5 - 38/5
x = -20/5
x = -4
(-4,3)
Answer is B, there's the work.

Answer 2

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