What is the answer to 3 x - {-4 x} +12?
2 answers:
Answer:
7x+12
Step-by-step explanation:
since its neg, it take out { and } it no use.
if its like that, you add it.
so the equation: 3x+4x
that is 7x
+12 is after
so you do 7x+12
you can't simp it. So that is the answer
100% SURE
Answer: x=-7/12
3x+4x=7x
7x+12
7x=-12
x=-7/12
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