The set of counting numbers {1, 2, 3, 4, ...} is called the set of natural numbers. The natural numbers begin at 1 and go in indefinitely. The number 0 is not a counting number because when we count, we don’t usually start with 0.
Answer:
x = 2
Step-by-step explanation:
x + 1 + 4 = 2x + 3
x + 5 = 2x +3
x + 2 = 2x
2 = x
mabe divided by 2
