Answer:
x = - [tex]\frac{80}{7}[/tex]
Step-by-step explanation:
Given
[tex]\frac{3}{7}[/tex] - [tex]\frac{2}{5}[/tex] x = 5
Multiply through by 35 ( the lcm of 7 and 5 ) to clear the fractions
15 - 14x = 175 ( subtract 15 from both sides )
- 14x = 160 ( divide both sides by - 14 )
x = [tex]\frac{160}{-14}[/tex] = - [tex]\frac{80}{7}[/tex]