Question

solve graphically: 2x-y=1 and x+2y=13
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Answer 1

Answer:

2x - y = 1

X + 2y = 13

2( 2x - y = 1)

X + 2y = 13

4x - 2y = 2

X + 2y = 13

5x = 15

X = 15/5

X = 3

X + 2y = 13

3 + 2y = 13

2y = 13-3

2y = 10

y = 10/2

y = 5