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Advocard [28]
3 years ago
5

Solve for x..........

Mathematics
1 answer:
Elan Coil [88]3 years ago
5 0

Step-by-step explanation:

30/42 = 25/6x-1

180x - 30 = 1050

180x = 1020

x = 5.67

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to get the inverse of any expression, we start off by doing a quick switcheroo on the variables and then solve for "y".

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Solve this linear system 28x + 44y = 964.40 21x + 33y = 723.30
Sladkaya [172]

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21x + 33y = 723.30

Let's multiply the first equation by 4 and the second by -4

84x + 176y = 3857.6

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0 + 44y = 964.4

Simplify

44y = 964.4

Divide both sides by 44

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Since we have the value of y, let's plug 964.4/44 into y for the first equation.

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Simplify the left side

28x + 964.4 = 964.4

Subtract 964.4 from both sides

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Divide both sides by 0

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Step-by-step explanation:

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