2x+y=8 x+y=4 The lines whose equations are given intersect at ____ (4,0) (0,4) all points on the line
Mathematics · Middle School · Mon Jan 18 2021
llm
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We have,
2x+y=8 …1
x+y=4 …2
By elimination method. Subtracting equation 1 and 2, we get
2x + y - (x + y) = 8 - 4
2x + y - x - y = 4
x = 4
Now, putting value of x in equation 2, we get
4 + y = 4
y = 4 - 4
y = 0
Hence, The lines whose equations are given intersect at (4,0) all points on the line.