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OpenStudy (solomonzelman):
Can you add 0.81+25?
OpenStudy (anonymous):
I don"t think so!
OpenStudy (solomonzelman):
Well.....
OpenStudy (solomonzelman):
Are you saying you don;t think so that you should add, or that you can add?
OpenStudy (anonymous):
I 'am not for sure exactly what to do sorry!
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OpenStudy (solomonzelman):
Why not add 0.81+25 and set it equal to y
OpenStudy (anonymous):
I'am very weak in math! the choices are: -0.81x+y=25,0.81x+y=25,81x-100y=2500,and 0.81x-y=25.
OpenStudy (anonymous):
double check you copied the problem correctly according to the answer choices there should be an x in the original question
OpenStudy (anonymous):
write y=0.81x+25 in standard form
OpenStudy (anonymous):
sweet no standard form looks like this (Ax+By=C)...right now you have y on the correct side of the equation and B=1... you just have to get x to correct side
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OpenStudy (anonymous):
you can subtract .81x from both sides you get .81x+y=25