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If -3=4x+7 what is x?
61.1k views
17 votes
If -3=4x+7 what is x?

User Naeem Khan
by
3.2k points

2 Answers

4 votes

Answer: x is -2.5 or
-2(1)/(2)

Explanation:

We need to solve for x

-3=4x+7

Step 1) Subtract 7 from both sides

-3-7=4x+7-7

-10=4x

Step 2) Divide both sides by 4 to isolate x

-10=4x


(-10)/(4) =(4x)/(4) \\-2.5=x

User David Cournapeau
by
3.6k points
10 votes
4x+7=-3
4x=-3-7
4x=-10
X=-10/4
X=-2.5
User Chinchan Zu
by
3.5k points
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