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Algebra
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OpenStudy (anonymous):
Which number is a solution of 3m < 4m + 5?
(Points : 1)
–4
–5
–6
–7
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OpenStudy (marigirl):
\[3m-4m<5\]
\[-m<5\]
\[m>-5\]
OpenStudy (anonymous):
OpenStudy (anonymous):
First one is 6x - 4y = 3
6x = 3 + 4y (Moving 4y to Left Hand Side)
x = (3 + 4y)/6
Hope u can get x from this :)
OpenStudy (anonymous):
Second one 5x - 15y = 20
Lets divide the equation by 5 on both Left Hand Side and Right Hand Side we get
x - 3y = 4
x = 4 + 3y :)
OpenStudy (anonymous):
But ur answers are not in a simplified way so instead of dividing by 5 in first step we can just do as the first one
5x = 20 + 15y
x = (20 + 15y)/5
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OpenStudy (anonymous):
so im thinking for the first one either A or B
OpenStudy (anonymous):
1/2 + 2/3 y its A
OpenStudy (marigirl):
first one is A
second one is C
would u like working out?
OpenStudy (marigirl):
second one is solving for y
@ganibl
OpenStudy (anonymous):
@marigirl Sorry I got it wrong :( My bad I thought both are for X
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OpenStudy (anonymous):
5x - 20 = 15y
y = (5x - 20)/15 = 1/3x - 4/3
OpenStudy (marigirl):
yea i overlooked it too first, then i realised all the answers were y=.... hahaha
OpenStudy (anonymous):
@marigirl LOL :) U are smart ;)
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