Answer:
a) 5x-1
b) 9x+2
c) 5x+6
Explanation:
a) (1+2x)-(2-3x) =
2x+1+3x-2=
5x-1
--------------------
b) (-3+5x)-(-4x-5)=
5x+4x-3+5=
9x+2
----------------------
c) (x+1)-(-4x-5)=
x+1+4x+5=
5x+6
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