Question

1)a+(2b-3c);2)a-(2b-3c);3) a-(2b+3c);4)-(a-2b+3c);​

Answer 1

1)a + (2b - 3c) = a + 2b - 3c 2)a - (2b - 3c) = - 2b+ 3c 3)a + (2b - 3c) = a - 2b - 4) - (a - 2b + 3c) = -a + 2b -

Answer 2

It seems like you've provided four different algebraic expressions. How can I assist you with these expressions? Are you looking to simplify, factor, evaluate, or perform any specific operations on them? Please provide more details so that I can better help you.