👤

3,2*(5x+1)=5,2-(3-17x)

Răspuns :

16+3,2x=5,2-3+17x
3,2x-17x=5,2-3-16
-13,8x=-13,8
x=1
32/10 * (5x+1)= 52/10 -3+17x (am scris 32/10 pentru ca 3,2=32/10)

inmultind ecuatia cu 10 obtinem:

32*(5x+1)=52-30+170x

160x+32=22+170x

170x-160x=32-22
10x=10
x=10/10=1