Answer:
3x +3
Step-by-step explanation:
5 + 3x - 2
Combine like terms
3x +5-2
3x +3
Answer:
1/9
Step-by-step explanation:
Answer:
1,200
Step-by-step explanation:
20 X 12 X 5 = 1,200
Since we know a triangle only has 180 degrees we can say:
99+3x+x+5=180
Then we can solve for x:
4x+104=180
4x=76
x=19