SOLUTION: I usually mess up on the signs of a variable expression problem. please help me solve {{{4(2x+3y)+2(4-x-3y)+2}}}

Question 100221: I usually mess up on the signs of a variable expression problem. please help me solve
Answer by live2ride2fast(2) (Show Source): You can put this solution on YOUR website!

First, start to simplify your terms. Try to keep everything as lined up as possible to avoid confusion, and so you dont lose any of your signs...
4*2x=8x and 4*3y is 12y, so...

now...2*4=8, 2*x=2x, and 2*3y=6y, so...

now you can combine your like terms...
etc., which gives you

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