Respuesta :
Answer:
Step-by-step explanation:
3x+2x+7=22
5x+7-7=22-7
5x=15
5x/5=15/5
X=3
Answer:
X=3
Step-by-step explanation:
3x+2x+7=22
therefore 3x+2x is equal to 5x..
5x+7=22
5x=22-7
5x=15
take 5 to divide through
15 divide by 5x =3x.
therefore x=3
