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Which of the following ordered pairs represents the solution to the system given below?

2x + y = 20
4x − 2y = 40

User Capri
by
6.1k points

2 Answers

0 votes

Answer:

(10,0)

Explanation:

User Will Rickards
by
6.8k points
2 votes
Multiply the 1st row by 2

4x+2y=40

4x-2y=40

Subtract the 2nd row from the 1st row

4y=0
Solve for y in the above equation

4x+2×0=40
Solve for x in the above equation

x = 10

y = 0

User Mpaskov
by
6.6k points