Solve:
3) 4(x - 3) = 20
Ans.
I
Step by step please

x = 8

Step-by-step explanation:

4(x-3)=20

divide both sides by 4 :

simplify : x - 3 =5

add 3 to both sides

x - 3 + 3 = 5 + 3

Simplify : x = 8

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.