Answer:
no
Step-by-step explanation:
Answer:
number 2
Step-by-step explanation:
What triangle?? can you be more specific?
We can't give you answer for x because it's an expression, not an equation.
I can simplify it though:
7 + 3x + 4
Step 1: Combine like terms:
7 + 4 + 3x
11 + 3x