Find the value of y (Eliminate) :
-2x + y = 1 × -4
-4x + y = -1 × -2
8x - 4y = -4
8x - 2y = 2 _
- 2y = -6
y = -6 ÷ (-2)
y = 3
Find the value of x (Substitute) :
-2x + y = 1
-2x + 3 = 1
-2x = 1 - 3
x = -2 ÷ (-2)
x = 1
The value of :
x = 1
y = 3
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