Question

rezolvati varog 3*[x+4]=24 5*[x-3]=30 [x+2]:6=3 8*x-3=13

[x-5]:3=4

Answer 1

Nu era nevoie de paranteze drepte
3(x+4)=24
3x+12=24
3x=24-12
3x=12
x=12:3
x=4

5(x-3)=30
5x-15=30
5x=30+15
5x=45
x=45:5
x=9

(x+2):6=3 |×6
x+2=18
x=18-2
x=16

8x-3=13
8x=13+3
8x=16
x=16:8
x=2

(x-5):3=4 |×3
x-5=12
x=12+5
x=17

Answer 2

x+4=24÷3
x+4=8
x=8-4
x=4

x-3=30÷5
x-3=6
x=6+3
x=9

x+2=3×6
x+2=18
x=18-2
x=16

8×x=13+3
8×X=16
X=16÷8
X=2

X-5=4×3
X-5=12
X=12+5
X=17