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x + 2x + 9y - 7y
3x + ( 9y - 7y )
3x + 2y
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Answer:
ok so you see the equation at the top... you are going to "plug in" the number in the "in" row to get the "out number
Step-by-step explanation:
example
in: 4
-2(-4)+1
8+1
9
so for the out row under -4 you would put 9
-2(-3)+1
6+1
7
so for the out row under 3 you would put 7
awnser: 42
step by step:
1. find the racio of both
2.multiply the awnsers by 7
3.finally subtract
Answer:
1421 minutes
Step-by-step explanation:
(84.48-28)/.04=M
84.48-28=56.48
56.48/.04=1421