molicell
3. Rewrite the following equation in slope-intercept form: x + 5y = 20
Slope intercept form - y=mx+b
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grant330sims
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y=-x+4
molicell
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Can you show work?
grant330sims
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yess! subtract y from both sides, then divide 5y by -x-20. and I'm gonna change my answer. y=-1/5x+4
angela210793
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|dw:1354290989205:dw|
grant330sims
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Is that good?! lol
molicell
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Yes kind sir. Thanks sooo much
grant330sims
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You are welcome Miss Molicell :)
molicell
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So the answer is y=-x/5+4 and not y=-1/5x+4
grant330sims
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no! The second answer is the correct answer! lol
grant330sims
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you've gotta make sure you put that it's -1/5x. That's important
molicell
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y=-1/5x+4 as my answer. Thanks for the help!
grant330sims
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You are SO Welcome! lol
nycfunction
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The goal is to isolate y.
x + 5y = 20
Subtract x from both sides.
x - x + 5y = -x + 20
5y = -x + 20
Next divide both sides by 5.
y = (-x + 20)/5
y = (-1/5)(x) + 4