Now we have two linear equations in the two unknowns x and y x y 90 50x 40y 4 000 To make the numbers easier to work with we

Question

Now we have two linear equations in the two unknowns x and y x y 90 50x 40y 4 000 To make the numbers easier to work with we divide each side of the second equation x y 90 5x 400 Talags 400 Step 4 Now use the method of elimination to solve the system of equations x y 90 5x 4y 400 We can eliminate y by multiplying the first equation by 4 and adding the result to th

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