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Pavlova-9 [17]
3 years ago
7

Solve the system of equations using the elimination method. 2x − 3y = 50;7x + 8y = −10

Mathematics
2 answers:
MAXImum [283]3 years ago
6 0
I got , C - (10,-10)
lorasvet [3.4K]3 years ago
4 0

Answer: C. (10, -10)

Step-by-step explanation:

Given

1) 2x-3y=50

2) 7x+8y=-10

Multiply both sides of 1) equation by 3.5

1) 3.5(2x-3y)=3.5×50

   7x-10.5y=175

2) 7x+8y=-10

Subtract 2) equation from the 1)

(7x-10.5y)-(7x+8y)=175-(-10)

-18.5y=185

y=-10

x=10

(10, -10)

Hope this helps!! :)

Please let me know if you have any questions

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