Respuesta :
Answer:
X=100
Step-by-step explanation:
X-(-300)=400
X+300=400
X=400-300
X=100
Answer:
x=100
Step-by-step explanation:
2 negatives make a positive
Answer:
X=100
Step-by-step explanation:
X-(-300)=400
X+300=400
X=400-300
X=100
Answer:
x=100
Step-by-step explanation:
2 negatives make a positive