Answer:
3x+7+ x= -11-2x
4x + 2x = -11-7
6x = -18
x = -18/6
x = -3
therefore , the number is -3
now,
by putting value,
3x+7+x=-11-2x
3*(-3)+7+(-3)=-11-2*(-3)
-9+7-3=-11+6
-5=-5
Train B is travelling at the greater speed. If you look at the graph, you can see that after two hours, train B has gone 250 miles, while A has gone only 120.
Answer:
2x^2+8x+15
Step-by-step explanation:




Answer:
1) 12
2) 106
3) 42
Step-by-step explanation:
Solve using PEMDAS.
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