Question

Solve this equation in substitution method
x-2y=0
3x+4y=20
​

Answer 1

Answer:

x-2y = 0

x = 2y

put value of x in equation 2

3x + 4y = 20

3(2y)+4y = 20

6y+4y= 20

10y = 20

y = 2 answer

from equation 1

x = 2y

x = 2(2)

x = 4 answer

Step-by-step explanation:

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