Solving Simultaneous Equations | GCSE Maths 2025

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You explain it better than my teacher Thanks😊

LangaAnna
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Where did u get 6x from? Did u mean to write 4x?

baldi
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How do I solve
3x + 3y = − 6
4x − 4y = − 24
?

RoyalPigeon
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Hello, in the exam, will you have to use either just one method - like substitution or elimination, or are u allowed to use any of them.

baldi
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So this method that you've used is substitution right because the Y already had an equation is that right?? When there are two equations where you have to choose elimination of substitution I'm never sure which method to use and why and also when do we add or take away the equal value

sandrarr
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hello i just wanted to ask how did u get 2x +2(2x+4)=14 bc i dont really understand that part

optimumeducation