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Oksi-84 [34.3K]
3 years ago
10

1/3x-4=3/4x+1. 12(1/3x)-4=12(3/4x) + 1. 4x -4=9x + 1. -5=5x. X = -1 Solve

Mathematics
1 answer:
jek_recluse [69]3 years ago
4 0

Answer:

x=-12

Step-by-step explanation:

\frac{1}{3}x - 4 = \frac{3}{4} x+ 1

To remove the denominator we take LCD

LCD of 3  and 4  is 12

In the second step we multiply the whole equation by 12 not only the fractions

12*\frac{1}{3}x - 4*12= \frac{3}{4} x*12+ 1*12

Now the denominator gets removed

1/3 * 12 = 4 , also 3/4 times 12 = 3*3 = 9

4x - 48 = 9x + 12

Subtract 9x on both sides

-5x - 48 = 12

Now add 48 on both sides

-5 x = 60

Divide both sides by -5

so x= -12

The value of x= -12

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