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tino4ka555 [31]
3 years ago
12

Solve 2/3 (6x+30)=x+5(x+4)–2x

Mathematics
1 answer:
wlad13 [49]3 years ago
8 0
Expand the left hand side of the equation first. this is easy since two thirds of six is four and two thirds or thirty is twenty.
4x + 20 = x + 5(x+4) - 2x
expand the right hand side :
4x + 20 = x + 5x + 20 -2x

Collect up all the x terms on the right hand side: 4x + 20 = x + 5x - 2x + 20
So the total number of "x" 's on the right hand side is 1 + 5 -2 = 4
4x + 20 = 4x + 20
Hey ! look at that ! you've got the same thing on both sides of the equation ! this means that it doesn't matter what value x is, the equation works for ALL values of x . ( ANSWER)
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Eduardo thinks of a number between 1 and 20 that has exactly 5 factors .what number is he thinking about
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16

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Factors are number that you can multiply to get another number. A number between 1 and 20 that has many factors are 12, 16, 18..

We can find the factors of this numbers and identify the one with five factors.

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3 years ago
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8 0
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What is 5t+16+6-5t can u help me
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3(-2p-1)=-6p -3
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3
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2

−
1
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=
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6

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3
3
(
−
2
p
−
1
)
=
−
6
p
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3
3(−2p−1)=−6p−3
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the answer is 0
4 0
3 years ago
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