WHO IS GREAT AT 8TH GRADE MATH!? I WILL GIVE METALS!
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OpenStudy (anonymous):
depends on what the question is
OpenStudy (anonymous):
ok
OpenStudy (holly00d1248):
Me wat is it
OpenStudy (studygurl14):
What's your question @Mlink1290 ? Just post it.
OpenStudy (anonymous):
whats the question
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OpenStudy (anonymous):
I have 5 questions
OpenStudy (anonymous):
A system of equations is given below:
y = –2x + 1
6x + 2y = 22
Which of the following steps could be used to solve by substitution? (4 points)
–2x + 1 = 6x + 2y
6x + 2(–2x + 1) = 22
6(–2x + 1) + 2y = 22
6(y = –2x + 1)
OpenStudy (anonymous):
shoot
OpenStudy (anonymous):
ok beutiful
OpenStudy (anonymous):
first one is 24x ok
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OpenStudy (anonymous):
6x + 2y = 10
OpenStudy (studygurl14):
If you have
y = -2x + 1
and
6x + 2y = 22
you can plug in -2x + 1 for y in the second equation (substitution).
So what's the answer @Mlink1290 ?
OpenStudy (anonymous):
@Daniel13519 thats not a option
OpenStudy (anonymous):
hey mink is mine @mink1290
OpenStudy (anonymous):
no its not an option either
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OpenStudy (anonymous):
heres a screen shot of the question
OpenStudy (anonymous):
Theres the question..
OpenStudy (studygurl14):
Did you read my answer @Mlink1290 ?
OpenStudy (anonymous):
yes I dont understand and my internet crashed lol sorry
OpenStudy (studygurl14):
If y equals -2x + 1 and you have the equation 6x + 2y = 22, you can substitute -2x + 1 for y in the equation.
y = -2x + 1
6x + 2y = 22
6x + 2(-2x + 1) = 22
Like that.