Question 370697
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Hi,
x+5y=20  and x-y=2
Solving for x in terms of y using second equation
x-y = 2
x = y + 2
Substituting for x in the first equation:
x + 5y = 20
(y+2) + 5y = 20
6y + 2 = 20
6y = 18
y = 3  and x = 5 (3+2)

checking our answer
5 + 5*3 = 20