х: у
2x, if y=10
(4x + 3y) : (3x + 5y) = 6:7
4x + 3y
6
3x + 5y 7
7 x (4x + 3y) = 6 x (3x + 5y)
28x + 21 y = 18x + 30y
28x - 18x = 30y - 21 y
10x = 9y
Х 9
i.e. X: y = 9:10
y 101
2y+5x
If
1
= 2.
=
find :
Answers
Answered by
0
(4x + 3y) : (3x + 5y) = 6 : 7
Given, y = 10
∴ (4x + 3 × 10) : (3x + 5 × 10) = 6 : 7
(4x + 30) : (3x + 50) = 6 : 7
(4x + 30) : (3x + 50) = 6 : 7
7 × (4x + 30) = 6 × (3x + 50)
28x + 210 = 18x + 300
28x – 18x = 300 – 210
10x = 90
⇒ x = 90/10 = 9
Answered by
1
Answer:
x=9
Step-by-step explanation:
Plz make ME brainlist and thanks
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