Math, asked by sangitapaunikar008, 3 months ago

if 3x + 5y = 4 and y = x / 5, then x = ?​

Answers

Answered by asilrizvi28
3

Answer: x = 1

Step-by-step explanation:

1) 3x + 5y = 4

2) y = x/5 or x - 5y = 0

Adding equations (1) and (2),

4x = 4 (y is eliminated using elimination method)

x = 1

Hope this helps you Mate

Answered by gbiju37
1

Answer:

HERE IS UR ANS

Step-by-step explanation:

3x + 5y = 4 \\ 3x + 5( \frac{x}{5} ) = 4 \: (given \: y =  \frac{x}{5} ) \\  3x +  \frac{5x}{5}  = 4 \\  \frac{15x + 5x}{5}  = 4 \\  \frac{20x}{5}   = 4 \\ 20x = 4 \times 5 \\ 20x = 20 \\ x =  \frac{20}{20}  \\ x = 1

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