Answer:
No solution
Step-by-step explanation:
2x-4+1=2x-2
2x-3=2x-2
-3= -2
this statement is not false
Answer:
a. 2x + 4
Step-by-step explanation:
Four more than twice a number
Let x = unknown number
Four more than twice of x
Twice of x can be written as 2x
Four more than 2x
Four more can be written as + 4
We get 2x + 4
Answer:
-50
Step-by-step explanation:
Put 2 where x is and do the arithmetic.
f(2) = -2(5^2) = -2(25) = -50