Question

2x-y=2;5x+4y=-2 substitution method​

Answer 1

Answer:

2x - y = 2

y = 2x - 2

Put this value in 5x + 4y = -2

5x + 4(2x-2) = -2

5x + 8x - 8 = -2

13x = -2+8

13x = 6

x = 6/13

Put value of x in y = 2x-2

y= 2(6/13) - 2

y = 12/13 - 2

y = 12-26/13

y = - 14/13

Step-by-step explanation:

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