Question

solve 3x - 2y + 2 = 0 and 2x + y - 8 = 0

Answer 1

Answer:

x = 2 and y = 4

Step-by-step explanation:

3x - 2y = -2

2x + y = 8

3x - 2y = -2

( 2x + y = 8 ) * 2

   3x - 2y = -2   ........(1)

+  4x + 2y = 16   ........(2)

From 1 and 2 we get,

x = 2 , y = 4

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Answer 2

Answer:

By elimination method

3x-2y+2=0

(2x+1y-8=0)×2=4x+2y-16=0

3x-2y+2=0

7x -14=0

7x=14

x=2

By substitution,

x=2

3(2)+2y+2=0

6+2y+2=0

2y+8=0

2y=-8

y=-4