Respuesta :

For the first equation the answer is x=18.

2nd equation: x=10

3rd equation, x=10

X/2=12-3
X/2=9
X=9*2
X=18
For ii
2x=24-4
2x=20
X=20/2
X=10
For iii
X+3-3=10
X+0=10
X=10