SOLUTION: Simplify the algebraic equation 3x+(3y)+(12x)+10y Evaluate the expressions for a=5and b=4 5(a+4b)+3(2a-7b)

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Question 361039: Simplify the algebraic equation
3x+(3y)+(12x)+10y
Evaluate the expressions for a=5and b=4
5(a+4b)+3(2a-7b)
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
3x+(3y)+(12x)+10y = 15x + 13y.
5(a+4b)+3(2a-7b) = 5(5 +4*4)+3(2*5 - 7*4) = 5(21)+3(-18) = 51.