lemusdaniela lemusdaniela

13-09-2017
Mathematics

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I don't understand it if someone could please explain step by step 11 a. & b please

I dont understand it if someone could please explain step by step 11 a amp b please class=

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koola1dk1d koola1dk1d

13-09-2017

x=3 means plug in 3 for x

Answer: 5×3+14 Answer: 4×3-3
15+14 12-3
= 29 =9

y=9 means plug in 9 for y

Answer: 2×9+24 Answer: 5×9-20
18+24 45-20
= 42 =25

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