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adelina 88 [10]
3 years ago
11

0.5b+4=2(b+2) I need help on this question?

Mathematics
2 answers:
mafiozo [28]3 years ago
8 0

Answer: b=0

Step-by-step explanation:

0.5b+4=2(b+2)

0.5b+4=2b+4

4=1.5b+4

0=1.5b

b=0

uranmaximum [27]3 years ago
8 0
B = 0.25 because the first side sums up to 4.5 and if you input .25 as b you’ll see you get 4.5 which means both sides are equal, as they should be.
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sergeinik [125]
2x+4y=12
y=x-3

Since we know what y equals, we can plug this into the first equation:
2x+4(x-3)=12
We can then distribute:
2x+4x-12=12
And solve for x:
6x-12=12
6x=24
x=4
We can then plug x into the second equation and find y:
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Dima020 [189]
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nikklg [1K]

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Using the quadratic formula

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