Question

maths sums equation..



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Answer 1

Answer:

x+1/8+ x-2/5=x+3/10+3x-1/20

x+x+(1/8-2/5)= x+3x+(3/10-1/20)

2x+(5-16/40)=4x+(6-1/20)

2x+(-11/40)=4x+(5/20)

2x-11/40= 4x+5/20

2x-4x=5/20+11/40

-2x= 10+11/40

-2x=21/40

x=21/40 divided by- 2

x= -21/40*2

x= -21/80 (ans)

Answer 2

L.H.S:-

LCM of 8 and 5 = 40

(x + 1)/8 × 5/5 = 5x + 5/40

(x - 2)/5 × 8/8 = 8x - 16/40

= 5x + 5 + 8x - 16/40

= (13x - 11)/40

R.H.S:-

LCM of 10 and 20 = 20

(x + 3)/10 × 2/2 = (2x + 6)/20

(3x - 1)/20 × 1/1 = (3x - 1)/20

= 2x + 6 + 3x - 1/20

= (5x + 5)/20

Solution:-

LHS = RHS

(13x - 11)/40 = (5x + 5)/20

20(13x - 11) = 40(5x + 5)

260x - 220 = 200x + 200

260x - 200x = 200 + 220

60x = 420

x = 420/60

x = 7

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