Question

a= x+2y,b=3x+4y then 3a-b​

Answer 1

Answer:

3x+ 6y - 3x +4y

10y

Step-by-step explanation:

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Answer 2

Answer:

10y

Step-by-step explanation:

given,

a = x + 2y and b = 3x + 4y

Putting value of a and b in given formula,

= 3 ( x + 2y ) - 3x + 4y

= 3x + 6y - 3x + 4y

( 3x and -3x will be cancelled. )

= 6y + 4y

=> 10y