Answer:

Step-by-step explanation:

Sorry it took so long
Answer:
x=41
Step-by-step explanation:
x+x+2=-80
First add like terms: 2x+2=-80
Subtract 2 from 2 and -80.
2x=-80
Next divide 2 from both sides.
x=41
x+2=43
Answer:
16
Step-by-step explanation:
This question can be modeled using the equation 3x+4=52 (x is the purple marbles). To solve this equation subtract 4 from both sides, making it 3x=48. divide both by three showing x=16. This shows that 16 is the answer.