Mathematics, 29.11.2019 17:31 sillslola816oxb5h7

Compare and contrast the expression 2+x and 2+3

Answers

Answer from: liana8

Well the first equation has a variable in it while the other one doesn't also the first expression if set equal to 0 is -2 while the other one is 5

Answer from: sg3635939

So first, just simply solve both and then it become obvious. The expression 3-(2+5), you can evaluate what's inside the parentheses first and then your answer will be in the form of a integer: 3-(2+5) = 3-7 = -4 With the second one, your answer will be in the form of a simplified expression because we don't know what x is: 3x-(2x+5) = 3x-2x-5 = x - 5 Also, in the second one, you have to expand the parentheses in order to simplify it.

Answer from: Quest

step-by-step explanation:

Answer from: Quest

The answer is part a: use

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