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secondary 4 | E Maths
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tiffany
Tiffany

secondary 4 chevron_right E Maths chevron_right Singapore

i need help !!

Date Posted: 1 year ago
Views: 387
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avery
Avery's answer
14 answers (A Helpful Person)
1st
to solve this equation, u need to substitute the first equation, y=2x into the second equation which means that u will replace the y in the second equation to be 2x. after that u just have to solve that equation u have created which will give u the x value. afterwards u have to use the x value that u found to solve for y. so u can use the first or second equation but for this i use the first one becos it is easier to get the y value.