Help me please I really need!!! :)

Answer:
[tex]\huge\boxed{\sf x = 1.8}[/tex]
Step-by-step explanation:
[tex]\sf 2x-1.5 = 2.1\\\\Add \ 1.5 \ to \ both \ sides\\\\2x = 2.1 + 1.5\\\\2x = 3.6\\\\Divide \ 2 \ to \ both \ sides\\\\x = 3.6 / 2\\\\x = 1.8\\\\\rule[225]{225}{2}[/tex]
Hope this helped!