SOLUTION: x-7y=10 x-4y=5

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Question 25305: x-7y=10
x-4y=5

Answer by elima(1433)   (Show Source): You can put this solution on YOUR website!
x-7y=10
x-4y=5
We will solve this by substitution;
first solve equation 1 for x;
x=10+7y
Now substitute that into equation 2 for x;
(10+7y)-4y=5
10+3y=5
3y=5-10
3y=-5
y=
Now plug this answer for y in the equation;
x-4=5
x-=5
x+=5
x=5-
x=-
x=
Hope you understand
=)

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