Use the substitution method (show your work and good luck!) x+y=2 x-y=-10

Xartec asked Apr 13, 2023

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3 votes

Use the substitution method (show your work and good luck!)

x+y=2
x-y=-10

Xartec asked Apr 13, 2023

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13 votes

So x+y = 10 ....(i
x-y= 2....(i)
From (ii) x= y + 2
Substituting in (i), we have
y + 2 + y = 10
= 2y + 2 = 10
= 2y = 8
→V=
4 and x =
6

Max Pierini answered Apr 19, 2023

2.5k points

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