Question

Rezolvati in multimea numerelor reale ecuatiile:
a)4x+3(x-2)=7x
b) 2x +1=2(x-0,5)+2
c)2(x-1)=√2(x-1)
d)5(3x-1/2)=2(3x-1/2)+3
e) 1/4(x+1)=5/2
f) √3x+1=x+√3

Answer 1

a) 4x+3x-6=7x
4x+3x-7x=6
x=6
b) 2x+1=2x-1+2
2x+2x=1-1+2
4x=2
x=2