Question

Rezolvati in multimea numerelor reale ecuatiile va rog rapid

Answer 1

4x-0,5=1 
4x=1+0,5
4x=1,5 
x=15/10*1/4 
x=15/40=3/8 

x-3=3x+1
x-3x=1+3
-2x=4
x= -4/2 
x= -2 

4x^2-9
x^2=9/4 
x=V9/V4 
x=3/2 

3x^2+1=5x^2-11
3x^2-5x^2= -11-1
-2x^2= -12
x^2=12/2
x=V6 

4x-3=2x+1
4x-2x=1+3 
2x=4
x=4/2
x=2

Answer 2

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