Question

afla x: 3x[(x+12):4] :5-12=18
Va roggg Repedeeeeeeee ​

Answer 1

Explicație pas cu pas:

3x[(x+12):4] :5-12=18

3x[(x+12):4] :5=18+12

3x[(x+12):4] :5=30

3x[(x+12):4] =30×5

3x[(x+12):4] =150

[(x+12):4]=150:3

(x+12):4=50

x+12= 50x4

x+12= 200

x= 200-12

x= 188