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olasank [31]
3 years ago
11

What is the answer to 4-7x=5x

Mathematics
1 answer:
Makovka662 [10]3 years ago
3 0
4-7x=5
 +7x +7x
4= 12x
/12  /12

x= 4/12
x= 1/3
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What is the missing length??
amid [387]

Answer

The missing length is 10

Step-by-step explanation:

Represent the missing length with x

The sides of the given shape are directly proportional.

Mathematically:

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(15 + x) : (12 + 8) = x : 8

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Convert to fraction

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Cross Multiply:

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Collect Like Terms

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<em>The length of the missing side is 10</em>

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Answer:

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the goal is to isolate the variable, get it all by itself. to do that in this problem, we have to move the -7/8 away from the h. we do this by multiplying by the reciprocal (the opposite of the fraction). The reciprocal of -7/8 is 8/-7. So multiply both sides by this and you will get h=8

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Answer:

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