Question

By using graph , find the solution of
X + 2y = - 6 and x -2y + 14

Answer 1

x+2y=-6..........(1)

x-2y =-14........(2)

Adding equation (1)&(2),

2x=-20

x=-10

Put x=-10 in equation (1),

y=2

thus x=-10 and y=2 is the solution fr given equation......

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