SOLUTION: Given the following system of equations : 2x+3y=12 2x-2y=2 What is the value of x+y?
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Question 1020824
:
Given the following system of equations :
2x+3y=12
2x-2y=2
What is the value of x+y?
Answer by
FrankM(1040)
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2x+3y=12
2x-2y=2
Subtract equation 2 from equation 1
0x+5y=10
y=2
substitute
2x-2(2)=2
2x-4=2
2x=6
x=3
y=2, x=3
x+y=5, right?