20 - 4x = 2(4 - 8x)
Make sure to do the parentheses first or factor out first
20 - 4x = 8 - 16x
add 16x to both sides
20 + 12x = 8
Subtract 20
12x = -12
Divide by 8
x = -1
Answer:
Step-by-step explanation:
Recall that the change of base formula is
circumference of circle = 2×radius of a circle.
hope it helps.
stay safe healthy and happy.
