Answer:
x = 4/7
Step-by-step explanation:
3x + 4x - 4 = 0
Combine the x-terms on the left side.
7x - 4 = 0
Add 4 to both sides.
7x = 4
Divide both sides by 7.
4/7
3x-4x=7x
7x-4= 0
+4 +4
7x= 4
7 7
x= (4/7)
Hope this helps!
