Question

| 2x-5| -3=6

Calculati...!! ​

Answer 1

|2x-5|-3=6

|2x-5|-3+3=6+3

|2x-5|=6+3

|2x-5|=9

2x-5=9

2x-5+5=9+5

2x=9+5

2x=14

2x:2=14:2

x=14:2

x=7

2x-5=-9

2x-5+5=-9+5

2x=-9+5

2x=-(9-5)

2x=-4

2x:2=-4:2

x=-4:2

x=-2

S={-2;7}

Answer 2

Explicație pas cu pas:

|2x-5|-3=6

|2x-5|=6+3

|2x-5|=9

2x-5=9 | -9

x=7 | -2

x¹=-2

x²=7 ] (Soluții finale)