Answer:
x=33
Step-by-step explanation:
x+(3x+48)=180
combine like terms
4x+48=180
subtract 48 from 180
4x=132
then you divide both sides by 4
x=33.
check your work (plug it in)
33+((33x3)+48)=180
33x3=99
99+48=147
then you add 33 from the other x
147+33=180
