f(x)=2x+2
f(4)=2(4)+2
Do the parenthesis first because of using PEMDAS
P=parenthesis
E= exponents
M= multiplication
D=division
A= addition
S=subtraction
2(4)=8
8+2=10
Answer: f(4)=10
Multiply or divide any number of the same number that will go into the numerator and denominator and it will always be an equivalent fraction
2/8 = 1/4
2/2 = 1
8/2 = 4
NVM
Step-by-step explanation:
Answer: The answer is 7-b=-y
Step-by-step explanation: You subtract b from one side to the other, and then do the same with y