Answer:
uuuum I think it would be? J times 5 or sm!? I’m sryyyyyy
Step-by-step explanation:
Answer:
-9
Step-by-step explanation:
the number is x
2x = 4x - - 18
2x = 4x + 18
-2x = 18
x = -9
Answer:
No solution
Step-by-step explanation:
5x + 12 + 3x = 8x - 5
8x + 12 = 8x - 5
12 ≠ - 5
No solution
For perimeter you add up the two sides so 15 + 21 equals 36
