Answer:
A
Step-by-step explanation:
Given
- 3x + 1 + 10x = x + 4 ( simplify left side )
7x + 1 = x + 4 ( subtract x from both sides )
6x + 1 = 4 ( subtract 1 from both sides )
6x = 3 ( divide both sides by 6 )
x = [tex]\frac{3}{6}[/tex] = [tex]\frac{1}{2}[/tex]
