Question

2. Rezolvati ecuatiile :
a) 2 x + 12 = 6
b) 4 X - 5 = - 2 x + 13
c) 2 (3 x + 7 ) = 5 x - 23

Explicație pas cu pas dau coroana ​

Answer 1

A) 2x+12=6
2x=6-12
2x=-6
x=-6/2
X=-3
B)4x+2x=13+5
6x=18
X=18/6
X=3
C)6x+14=5x-23
6x-5x=-23-14
X=-37