Answer:
[tex]\frac{11}{5}[/tex]
Step-by-step explanation:
1. isolate x by adding 7 to the other side (7+4)
5x - 7 = 4
5x = 11
2. divide by 5 to get x alone
x = 11/5
5x=4+7
5x=11
x=11/5
x=2.2
