Answer:
x=2
Step-by-step explanation:
5x+[tex]\frac{4}{2}[/tex] = 7
5x+4 =7 (2)
5x+4=14
5x=14-4
5x=10
[tex]\frac{5x}{5}[/tex] = [tex]\frac{10}{5}[/tex]
x = [tex]\sqrt{2}[/tex], x = [tex]-\sqrt{2}[/tex]
