solv by cramr's rule
[ 2x - 5y ] = 2 , [-4x + 10y ] = 1
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what is the solution of x-5y=10 and 2x-10y=20
2 would be the coeeficient the coefficient is the number before the variable
-2x = 20 + 5y-2x - 20 = 5y-2/5x - 4 = yX Intercept = (-10,0) or -10Y Intercept = (0,-4) or -4
(5x -3x) (2y +8y) 2x + 10y
x = 2, y = 1