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OpenStudy (anonymous):
(x + 6y) - (3x - 10y).
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OpenStudy (compassionate):
Remove the parentheses, and add like terms.
OpenStudy (anonymous):
yeah I know & so far I came up with 3x+-4y
OpenStudy (anonymous):
not sure if i'm right
OpenStudy (mathlegend):
Distribute that minus sign first.
OpenStudy (anonymous):
ok one sec.
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OpenStudy (anonymous):
would it be a positive 4 ? 3x+4y or 3x+-16y ?
OpenStudy (mathlegend):
x + 6y - 3x + 10y When you distribute that minus sign you change the signs.
OpenStudy (mathlegend):
You can rewrite this like... x - 3x + 6y + 10y Now, combine like terms.
OpenStudy (anonymous):
ok -2x+16y
OpenStudy (mathlegend):
Good job.
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OpenStudy (anonymous):
yay ! thanks
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