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jonny [76]
3 years ago
7

How do i find the value of x on this problem?

Mathematics
1 answer:
zaharov [31]3 years ago
8 0

Answer:

x = 7

Step-by-step explanation:

The proportion is

14/6 = 21/(3x - 12)                 Cross Multiply

14*(3x - 12) = 6*21                 Remove the brackets and combine

42x - 168 = 126                     Add 168 to both sides

42x = 126 + 168

42x =  294                           Divide by 42

x = 294/42

x = 7

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