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dybincka [34]
3 years ago
14

Solve the formula x/4 + x/3 = 1

Mathematics
2 answers:
miskamm [114]3 years ago
4 0

Answer:

x = 12/7

Step-by-step explanation:

in order to solve this formula x/4 + x/3 = 1

<u>solutio</u>n

x/4 + x/3 = 1

the first step to do is to take lcm of the left hand side

[3(x) + 4(x)] /12 = 1

[4x +3x]/ 12 = 1

7x/12 = 1

cross multiply

7x/12 = 1

7x = 12 × 1

7x = 12

divide both sides by 7

7x/7 = 12/7

x = 12/7

DENIUS [597]3 years ago
4 0

Answer:

x = 12 / 7

x = 1 5/7

Step-by-step explanation:

To solve the given formula, we must make use of the concept of LOWEST COMMON MULTIPLE. (LCM)

The LCM of 4 and 3 is 12

Since the LCM of the denominator is 12, we Multiply through by 12

Therefore:

(12) * x / 4. (12) * x / 3. = 12 * 1

3x + 4x = 12

7x = 12

Divide through by 7 to make x the subject of the expression.

7x/7 = 12/7

x = 12 / 7

To simplify further, x = 1 5/7

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