2 years ago

At what value of x do the graphs of the equation below intersect ? 2x-y=6 5x+10y=-10

Mathematics

1 answer:

Y_Kistochka [10]2 years ago

5 0

Answer:

x = 2

Step-by-step explanation:

Solve the two equations simultaneously....whereby you substitute y = 2x - 6 from the above equation into the second equation...

where...; 5x + 10(2x - 6) = -10

5x + 20x - 60 = -10...then move the variables with x to one side...

5x + 20x = -10 + 60

25x = 50

;Therefore...the value of x at intersection point = 2

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