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OpenStudy (just_one_last_goodbye):
Solve the system of equations.
2x − 5y = 3
x − 3y = 1
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OpenStudy (just_one_last_goodbye):
A. (4, 1)
B. (5, 2)
C. (7, 2)
D. (9, 3)
OpenStudy (anonymous):
Well we have a system of equations here. Do you know how to do the elimination method?
OpenStudy (just_one_last_goodbye):
Process of elimination?
OpenStudy (mertsj):
1. Multiply the bottom equation by -2
2. Add the result to the first equation.
3. Solve the resulting equation for y
OpenStudy (anonymous):
well lol i was gonna say that ^
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OpenStudy (mertsj):
4. Substitute that value of y into either equation and find x.
pooja195 (pooja195):
Solve the system of equations.
2x − 5y = 3
-2 (x − 3y = 1)
Distribute the -2
\(\huge\color{red}{-2 (x − 3y = 1)}\)
OpenStudy (anonymous):
|dw:1435882242236:dw|
OpenStudy (just_one_last_goodbye):
-2(-3=y(x) + x)
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OpenStudy (just_one_last_goodbye):
it's A isn't it?
OpenStudy (anonymous):
yes. but you do u understand elimination
OpenStudy (just_one_last_goodbye):
yes sir thank you so much
OpenStudy (anonymous):
NP!!! ;)
OpenStudy (just_one_last_goodbye):
oh sorry forgot to give u a medal xD
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