Question

if x/2 + x/5 =28 then x equals​

Answer 1

Answer :

x=40

Step-by-step explanation:

$\frac{x}{2} + \frac{x}{5} = 28$

Lcm of 2 and =10

We will multiply it by no. which makes denominator 10

$\frac{x}{5} \times \frac{2}{2} = \frac{2x}{10} \\ \frac{x}{2} \times \frac{5}{5} = \times \frac{5x}{10}$

we get :

$\frac{2x}{10} + \frac{5x}{10 } = \frac{7x}{10}$

hence

7x / 10 = 28

x= 28/7/10 ( double fractions )

x= 28×10 /7

x= 280/7

x= 40

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