Mathematics, 22.06.2019 21:00 trint4

# Elimination method using addition and subtraction x-y=2 and x+y=-3

Answer from: riley01weaver1

x=-1/2, y= -5/2

Step-by-step explanation:

x-y=2

x+y=-3

Add these together to eliminate y

x-y=2

x+y=-3

2x = -1

2x/2 =-1/2

x = -1/2

Now we need to find y

x+y = -3

-1/2 +y = -3

Add 1/2 to each side

-1/2 +1/2+y = -3+1/2

y = -6/2+1/2

y =-5/2

Answer from: Quest

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Answer from: Quest

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step-by-step explanation:

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Elimination method using addition and subtraction x-y=2 and x+y=-3...

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