Answer: x=−5/7
Step 1. Add 4x to both sides of the equation.
3x+4+4x=−4x−1+4x
7x+4=−1
Step 2. Now you subtract 4 from both sides.
7x+4−4=−1−4
7x=−5
Step 3. Then divide both sides by 7.
7x/7=-5/7
Final Answer: x=-5/7
Hope I could help! :)