giavanna67 giavanna67

02-03-2021
Mathematics

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In systems by substitution what is y=x+8 and x+y=2

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AnimalPost AnimalPost

02-03-2021

Answer:

x = -3

Step-by-step explanation:

y = x + 8 and x + y = 2

Using substitution, we know that y = x + 8, so:

x + y = 2

x + (x + 8) = 2

2x + 8 = 2

2x = -6

x = -3

Then we solve for y:

x + y = 2

-3 + y = 2

y = 2 + 3

y = 5

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