Answer:
A) See below
B) Yes
Explanation:
A)
Substitute 0 for x
3(x + 2) + 2x - 1
3(0 + 2) + 2(0) -1
3(2) + 0 - 1
6 + 0 - 1
5
5x + 5
5(0) + 5
0 + 5
5
B
Yes, I got the same answer 5.
We can also simplify the first expression and we can see that the expressions are equal.
3(x + 2) + 2x -1 Distribute the 3
3x + 6 + 2x -1 Combine like terms
5x + 5
This equals the second expression.