(20 - x)/5
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what is the solution of x-5y=10 and 2x-10y=20
If: 20x+5y = 15 Then: y = -4x+3
-2x = 20 + 5y-2x - 20 = 5y-2/5x - 4 = yX Intercept = (-10,0) or -10Y Intercept = (0,-4) or -4
5y-4 = 7 5y = 7+4 = 11 y = 11 / 5 = 2.2
(6, -4)