Remember you can do anything to an equation as long as you do it to both sides
2x+3(x-4)=x-20
first distribute
2x+3(x)+3(-4)=x-20
2x+3x-12=x-20
5x-12=x-20
minus x both sides
4x-12=-20
add 12 to both sides
4x=-8
divide both sides by 4
x=-2
Answer:
75%
Step-by-step explanation:
as a percent = 75%, or 0.75 in decimal form.
Answer:
D
Step-by-step explanation:
hope this helps but I'm not sure if it's right sorry if wrong

First, solve the parentheses:

Next, the exponential terms

Solve the multiplication:

Add and subtract: