👤
a fost răspuns

Rezolvati in N ecuatiile:a)5x+8=3x+42;b)4x-3=x+54

Răspuns :

Geo123478
a) 5x+8=3x+42.

5x-3x=42-8
2x=34
x=34:2
x=17

b) 4x-3=x+54
4x-x=54-3
4x-x=51
3x=51
x=51:3
x=17
Senvis
5x+8=3x+42
5x-3x=-8+42
2x=+34
x=34*2
x=17
b)4x-3=+54
4x-x=54+3
4x-x=57

Alte intrebari