Question

rezolvand ecuatiile 3x+2=2x-1; 2x-1=5x+3; 6+2x=4-3x; x-12=-6-x; 6x+5=2x-8​

Answer 1

Răspuns:

Explicație pas cu pas:

3x+2=2x-1

3x-2x=-1-2

x= - 3

2x-1=5x+3

5x-2x=-1-3

3x=-4

x=-4/3

6+2x=4-3x

2x+3x=4-6

5x=-2

x=-2/5

x-12=-6-x

x+x=-6+12

2x=6

x=6/2

x=3

6x+5=2x-8

6x-2x=-8-5

4x=-13

x = -13/4