Rae-anne's answer to Janna's Secondary 4 A Maths question.
Thank you so much
I dont understand tch why must be linear equation 3 and 4?
Have to make the x coefficient (the number before x) the same so that you can cencel out and leave only one algebraic expression in the equation. Easier to solve this way.
Ohhh that way..okk thanks 4 teaching me
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