Math question, algebra? - XP Math - Forums

 XP Math - Forums Math question, algebra?

 07-17-2007 #1 Mark W Guest   Posts: n/a Math question, algebra? Solve the system by substitution.x - 6y = -19x - 7y = 38 (4, 2) (-5, 2) No solution (5, 1)
 07-17-2007 #2 looneylovegood4 Guest   Posts: n/a do your own homework! don't make people on here do it for you!
 07-17-2007 #3 angelite16 Guest   Posts: n/a 5, 15 - 6(1) = -19(5)-7(1)=38
 07-17-2007 #4 aquavivas Guest   Posts: n/a Just plug the values into the equation and see which work out. If the ordered pair (x, y) do not work in the first equation, then no need to go to the next equation. The ordered pair that works for both equations is the correct answer.
 07-17-2007 #5 sin2acos2a1 Guest   Posts: n/a well just to start from eqn 1 rearrange the eqn to get in terms of x and sub that int eqn 2that will give you a value for y and u should be able to finish it from there
 07-17-2007 #6 bob Guest   Posts: n/a wow dude are you having people do your homework cause that's just wrong :]

 Thread Tools Display Modes Linear Mode

 Posting Rules You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules
 Forum Jump User Control Panel Private Messages Subscriptions Who's Online Search Forums Forums Home Welcome     XP Math News     Off-Topic Discussion Mathematics     XP Math Games Worksheets     Homework Help     Problems Library     Math Challenges

All times are GMT -4. The time now is 11:02 PM.

 Contact Us - XP Math - Forums - Archive - Privacy Statement - Top