SOLUTION: Use linear combinations to solve the linear system. Then check your solution.
x+y=4
x-y=-10
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Question 179084This question is from textbook Algebra 1 Concepts and Skills
: Use linear combinations to solve the linear system. Then check your solution.
x+y=4
x-y=-10
This question is from textbook Algebra 1 Concepts and Skills
Answer by HyperBrain(694) (Show Source): You can put this solution on YOUR website!
x+y=4
x-y=-10
Just add the two equations:
(x+x)+(y-y)=4+(-10)
2x=-6
x=-3>>ans.
x+y=4
-3+y=4
y=7>>>Ans.
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