Asked by Michael
Can someone help me solve this system by substitution?
y=x-5
y=2x
y=x-5
y=2x
Answers
Answered by
DrBob222
y=x-5
y=2x
=========
from equation 1, y=x-5
plug this into equation 2 for y.
x-5=2x
x-2x=5
-x=5
x=-5
Now substitute x = -5 into equation 1 and solve for y. I have -10 but check my work.
y=2x
=========
from equation 1, y=x-5
plug this into equation 2 for y.
x-5=2x
x-2x=5
-x=5
x=-5
Now substitute x = -5 into equation 1 and solve for y. I have -10 but check my work.
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