Answer:
2+x^2=18 = 2+4^2=18
Step-by-step explanation:
Because when you have the ( ^2) then that means your going to multiply a number by the same number and then 4 times 4 equals 16 and you still have the +2 therefore you add that on the 16 and 16+2 equals 18.
Answer:
2, 4
Step-by-step explanation:
equation (x -2, y -4)
Answer:
D
Step-by-step explanation:
they both equal each other. 5x+7=9x-63
then you would take 70 divided by 4
which equals 17.5
we have given an equation 
we need to simplify the given equation.
the distributive property is used here 

if we simplify the terms
we get
.