Math, asked by pd3151647, 5 months ago

3-5/7-x/4=1/2+5-4x/8 solve the question

Answers

Answered by Sagar9040
3

2x + 3 = 7

2x = 7 - 3

2x = 4

x = 2

(ii) 2x - 3 = 7

2x = 7 + 3

2x = 10

x = 5

Answered by ITZSARCATICVAMPIRE
1

\red{\large\mathfrak{Question}}

⇒\

⇒ \sf 3 -  \frac{5}{7}  -  \frac{x}{4}  =  \frac{1}{2}  + 5 -  \frac{4x}{8}  \\

\pink{\large\mathfrak{solution}}

\sf \frac{21 - 5}{7}  -  \frac{x}{4}  =   \frac{1 + 10}{2}  -  \frac{4x}{8}  \\

⇒\sf\frac{16}{7}  -  \frac{x}{4}  =  \frac{11}{2}  -  \frac{x}{2}  \\

Transposing the terms :—

⇒\sf \frac{x}{2}  -  \frac{x}{4}  =  \frac{11}{2}  -  \frac{16}{7}  \\

⇒ \sf \frac{2x - x}{4}  =  \frac{77 - 32}{14}  \\

⇒ \sf \frac{x}{4}  =  \frac{45}{14}   \\

⇒ \sf \: x =  \frac{45 \times 4}{14}  \\

⇒ \sf \: x =  \frac{90}{7}  \\

⇒ \sf \: x =  12 \frac{6}{7}  \\

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