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OpenStudy (anonymous):
how do u do the equation 2x+10y=3 (2,3)
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OpenStudy (amistre64):
what do you mean?
OpenStudy (anonymous):
like the equation of a line this one is perpendiclular
OpenStudy (amistre64):
ok... the shortcut is just to swap out the numbers in front of your x and y like this: 10x + 2y = n ; now change the operator to its opposite 10x - 2y = n; insert the values from your given point to determine "n"
OpenStudy (amistre64):
the long version is to determine the slope of the equation; flip it and negate it; reformat an equation using it, and adjust for the given point
OpenStudy (amistre64):
but since the slope of ax+by=c is just -a/b; just swap out a for b and change the operator
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