SOLUTION: Please solve for me please
x 5y = 10
-2x-10y=-20
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Question 72499This question is from textbook Beginning Algebra 1A
: Please solve for me please
x 5y = 10
-2x-10y=-20
This question is from textbook Beginning Algebra 1A
Answer by elima(1433) (Show Source): You can put this solution on YOUR website!
You forgot the sign in the first equation
Is it +, or - ?
If it is -, then;
x-5y=10
x=10+5y
Substitute 10 + 5y for the y in equation 2;
-2(10+5y)-10y=-20
-20-10y-10y=-20
-20y=-20+20
-20y - 0
y=0
Plug that in the first equation for y;
x-5(0)=10
x=10
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