SOLUTION: i need help understanding how to mainpulateing algerbraic expressions with some easy tip or maybe a trick. and i need help on substituting algebraic expressions i just want t

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Question 305513: i need help understanding how to mainpulateing algerbraic expressions with some easy tip or maybe a trick.
and i need help on substituting algebraic expressions
i just want to understand them alittle,i no these are bad questions but i just need a nuff info to put on a memory aid and help me understand please help meee
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You'd do better with some examples but here's a couple,
10 more than a number, 10%2BN
20 less than twice a number, 2%2AN-20
is means "=",
10 more than a number is 20 less than twice the same number 10%2Bn=2%2An-20