96.1k views
3 votes
5x+8=2x-1 someone please help me with this

User Rwx
by
4.5k points

2 Answers

3 votes

Answer:

x = -3

Explanation:

Subtract 2x from both sides:

5x + 8 = 2x - 1

-2x -2x

___________

3x + 8 = -1

Subtract 8 from both sides:

3x + 8 = -1

3x = -9

Divide both sides by 3:

x = -3

User Craig Siemens
by
4.6k points
5 votes

Answer:

x = -3

Explanation:

5x+8=2x-1

Subtract 2x from each side

5x-2x +8 = 2x-2x-1

3x+8 = -1

Subtract 8 from each side

3x+8-8 = -1 -8

3x = -9

3x/3 =-9/3

x = -3

User Rajkumar Kumawat
by
4.8k points