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3 votes
4x+8=7 I got -1/4 but don't know if you drop the negative when dividing

2 Answers

2 votes

4x+8=7\ \ \ \ | subtract\ 8\\\\ 4x=-1\ \ \ \ | divide\ by\ 4\\\\ x=-(1)/(4)\\\\ Solution\ is\ x=-(1)/(4).
User Chmurli
by
7.1k points
1 vote
4x+8=7
You minus 8 from each side
4x=-1
Divide -1 by 4x
The answer is
- (1)/(4) or -.25
You leave the negative
If there is only one negative number(-1 being the case here) then its negative
If there are two negatives, its a positive
If there are two positive numbers, its positive

User Dominica
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6.9k points