Measure of x is 74 degrees
Answer:4
Step-by-step explanation:
To get a number to decrease by 21% you multiply it by 0.79 (1-0.21)
r = 0.79
Answer:
x=1
Step-by-step explanation:
This stuff is quite easy in reality. Here's a little example including your numbers.

by this point we are left with simplifying it. Since it's a double negative we get a positive. Thus x=1
Answer:
i think... x=6
Step-by-step explanation:
3x+9=x+21
3x−x=12
2x=12
x=6