Question

Combine like terms and simplify: 2+4x+5y+2x+7+3y

Answer 1

First, combine like terms, like so:
\[(4x + 2x) + (5y + 3y) + (2 + 7)\]
Now, add the values in the parentheses together.

Answer 2

Evaluate the expression xy+8y-6 when x=2 and y=-3

Answer 3

First, write out the expression:
\[xy+8y-6\]
Plug in x = 2 and y = -3 into the given expression:
\[(2)(-3)+8(-3)-6\]
Now, multiply and simplify.