Question

Solve the system of equations.
3x−4y=40
3
𝑥
−
4
𝑦
=
40

5x−5y=55
5
𝑥
−
5
𝑦
=
55
(1 point)
Responses

(18, 7)
(
18
,


7
)
left parenthesis 18 comma 7 right parenthesis

(14, 3)
(
14
,

3
)
left parenthesis 14 comma 3 right parenthesis

(4,−7)
(
4
,
−
7
)
left parenthesis 4 comma negative 7 right parenthesis

(8,−3)

Answer 1

(4, −7)

Check: 3(4) − 4(−7) = 12 + 28 = 40 and 5(4) − 5(−7) = 20 + 35 = 55.