Junior Certificate Maths - Simultaneous Equations
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All Comments (66)
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I found this confusing .. maybe my maths teacher teaches me differently om only in second year
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Gud stuff man!
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why does he make it so hard? No wonder people think maths is difficult. He could not make it more difficult if he tried
5X+Y=7 is the first equation and 2x+3Y=-5 is the second. You have to find the value of X and Y to ( same x and same y for both equations to make the statement correct.
5x+y=7
Y=7-5X ( just take the 5X across to right hand side and it becomes negative)
Stick this in the second equation and see what shakes
2x+3Y=-5 now becomes 2X + 3(7-5X)=-5
this is jsut dropping the
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@MattGodden123 no bother :)
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ah sry layout was messed up on ipod
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Thiis video helped me soo much thank you thank you! =D SHUT DA FUK UP paul man hes helpiin people who cares how he recorded his voice jus dunt watch it den :@
richrosie3 4 years ago 11
Well explained, thank you!
Shadowsinger11 2 years ago 3