Question

(5x+15):(2x+3)=10:3 find the value of x

Answer 1

by writing the ratio as a fraction, 

(5x+15)/(2x+3) = 10/3

by cross multiplication, 

20x + 30 = 15x + 45

by simplifying the equation, we get x = 3

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Answer 2

hii viewer heres ur answer
(5x+15):(2x+3)=10:3
we can write this as 5x+15:2x+3 as 5x+15/2x+3=10/3
by cross multiply e get
(5x+15)3=10(2x+3)
15x+45=20x+30
5x=15
x=3
now subsitute in given that is
 5x+15=5(3)+15=30
2x+3=2(3)+3=9
now ratio is 30:9=10:3
so hence proved
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