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secondary 2 | Maths
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Nicole
Nicole

secondary 2 chevron_right Maths chevron_right Singapore

Pls help. Need it by today

Date Posted: 4 years ago
Views: 182
J
J
4 years ago
notice that for both equations, one side equals y. So we can equate them together.


70 - 2x = 1 + x

70 - 2x + 2x - 1 = 1 + x + 2x - 1
(This step is to aid you in visualising how to get to the step below. It can be skipped)

69 = 3x

So x = 69 ÷ 3

x = 23

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Daniel Lee S J
Daniel Lee S J's answer
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Here ya go!