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OpenStudy (anonymous):
Please help!!!!! Solve the system by substitution: y=3x-1 y=-4x+20 and can you show my how to do it please?
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OpenStudy (anonymous):
y=3x-1 <--- y= 2x y=-4x+20 <--- y= 16x here is how you do it: just take the x off of the 3 and the x off of the -44 to make it -4 + 20 and 3 - 1 then just do it like you normaly would and put the x's at the end of the problem/answer.
OpenStudy (anonymous):
Thank you!!!!
OpenStudy (anonymous):
np anythime
OpenStudy (anonymous):
Can you help with another one? I'll become a fan if you do
OpenStudy (anonymous):
Factor the expression completely 3^x^2 + 3x - 18
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