Question

If 1/2x + 2/3y = 6, what is 3x + 4y?

Answer 1

We have the equation:


`(1)/(2)x+ (2)/(3)y=6`

Multiplying both sides by 6, we get:


`6( (1)/(2)x+ (2)/(3)y)=6(6) \\ \\ (6)/(2)x+ (12)/(3)y=36 \\ \\ 3x+4y=36`

This means the value of 3x + 4y will be 36