Answer: = 8
Step-by-step explanation: Hope this help :D
<span>3x + y = 9 (I)
</span><span>y = –4x + 10 (II)
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Pass the incognito "4x" to the first term, changing the signal when changing sides.
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simplify by (-1)
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</span></span><span>Substitute in equation (I) to find the value of "Y".
</span>3x + y = 9 (I)
3*(1) + y = 9
3 + y = 9
y = 9 - 3

Answer:

Answer:

Remove backets

Group and Evaluate like terms





Answer:
I'll sing out
Step-by-step explanation:
give me a sec
Answer:
5
Step-by-step explanation:
8 dinosaurs in the valley eat meat
40 eat vegetation
Therefore the unit rate of dinosaurs that eat vegetation to those that eat meat can be calculated as follows
= 40/8
= 5