Question

How would I find a solution to these equations? x+y=-3, x-y=5
Any method that you can use to find it would work for me.

Answer 1

Based on the information in the equation given, the value of x will be 1 and the value of y will be -4.

How to solve the equation

x+y=-3 ..... i

x-y=5 ..... ii

From equation i, x = -3 - y

Put the value of x into equation ii.

x - y = 5

-3 - y - y = 5

-3 - 2y = 5

-2y = 5 + 3

-2y = 8

y = 8/-2

y = -4

Since x+y=-3

x - 4 = -3

x = -3 + 4

x = 1

Therefore, x = 1, y = -3.

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