SOLUTION: If P = 7y + 2xy - 6x and Q = 5 - 7y, find the value of 3P - 4Q.

Algebra ->  Expressions-with-variables -> SOLUTION: If P = 7y + 2xy - 6x and Q = 5 - 7y, find the value of 3P - 4Q.       Log On


   

Question 142387: If P = 7y + 2xy - 6x and Q = 5 - 7y, find the value of 3P - 4Q.

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
P=7y+2xy-6x
Q=5-7y
find the value of 3P-4Q.
3(7y+2xy-6x)-4(5-7y)
21y+6xy-18x-20+28y
49y+6xy-18x-20 answer.