PLZ Explain!!!
I don't understand
please help me
please

Answer:
x = 12
Step-by-step explanation:
Multiply 5/2 (1/10x). 5/2 * 1/10x = 1/4x
Equation:
4 - 1/4x = 1
Simplify into this:
3 = 1/4x
x = 12