👤

1. Scrieti multimea solutiilor ecuatiei
a) 2x+3=x+8
b)2x+3=2(x+1)
c)3(x+1)=3(x+2)-3


Răspuns :

a) 2x+3=x+8
2x+3-x=8
x+3=8
x=8-3
x=5