Answer:
x=30
Step-by-step explanation:
180=40+(4x+20) 180-40
140=4x+20 140-20
120=4x 120/4
30=x
Answer:
Step-by-step explanation:
whole numbers are 0,1,2,...
positive whole numbers 1,2,3...
a. ????=1
b.????=2
c. ????=4
d.(x-1)²(x+1)=0
(x²-1)(x-1)=0
x³-x²-x+1=0
x³-x²-x+2=1
Answer:
3
Step-by-step explanation:
22-4 =18
2x3=6
18÷6=3
Remember to use the PEMDAS order of operation
Parenthesis, Exponent, Multiply, Divide, Add, Subtract :)