Question

Ajutor! Cine imi poate rezolva ecuaţia ?$x- \frac{10}{100} + (x- \frac{10}{100}) - \frac{10}{100} =81$

Answer 1

x-10/100+(x-10/100)-10/100=81
x-1/10+(x-1/10)-1/10=81
x-1/10+x-1/10-1/10=81
2x-3/10=81
2x=81+3/10
2x=(810+3)/10
2x=813/10
x=813/20