Answer:
The answer is x + 33
Step-by-step explanation:
1) Remove parentheses.
[tex]45 + x - 12[/tex]
2) Collect like terms.
[tex]x + (45 - 12)[/tex]
3) Simplify.
[tex]x + 33[/tex]
Therefor, the answer is x + 33.
x+33 is your answer
45 + (x - 12)
45+x-12
x+45-12
x+33
