3x - y = 5 Equation l
x - y = 1 Equation ll
By elimination
-Multiply equation l by -1
-3x + y = -5
x - y = 1
-2x = -4
Solve for x
x = -4/-2
x = 2
-Find y
2 - y = 1
-y = 1 - 2
-y = -1
y = -1/-1
y = 1
Solurtion: x = 2, y = 1
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