178k views
2 votes
4x - 7 = 9
The answers are
X=2
X=4
X=16
No solution

User Calum You
by
6.3k points

2 Answers

2 votes

Answer:

x=4

Step-by-step explanation:Trust me

4x-7=9

4x-7+7=9+7

4x=16

4x/4 = 16/4

X=4

User Tianle
by
6.2k points
3 votes

Answer: x = 4

Step-by-step explanation: To solve for x, we must first isolate the term containing x which in this problem is 4x.

To isolate 4x, we have to get rid of the -7 by adding

7 to both sides of the equation.

That leaves us with 4x = 16.

Now divide both sides by 4 to find that x = 4.

User Mark Boltuc
by
6.7k points