Answer:
7A - 42
Step-by-step explanation:

Answer:
The equation answer will always be positive
Step-by-step explanation:
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Answer:
x=58cm
Step-by-step explanation:
hi
-(3a-3) = -3a +3
you cannot do much more.
You can rewrite it as 3 ( -a +1) or as -3 ( a -1) but nothing more really.