Answer:
what do you look like, also just guess if you need
Step-by-step explanation:
pick a letter than guess:)
#########
100
428/4=107
107-7=100
Answer: 40
3x-10=x+70
3x-x=70+10
2x=80
x=8<u>0</u>
2
x=40
is only defined for 
, and under this condition we have that 
. But 1.7 > 1, so 
is not a real number.