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E General section 1. Solve each pair of the following a) y = x-2 b x + y = 4​

Sagot :

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Answer:

y=×-2.....1), ×+y=4....11)

subtitute y into equation 11)

x+(×-2)=4

×+×-2=4

2×=4+2

2×=6

divide both sides by 2

x=3

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