Respuesta :

Answer:

x=2

2x+3x-1=9

5x=10

x=2

BC=3x-1

BC=3*2-1

BC=5

Step-by-step explanation:


1subasinghet
2x + 3x - 1 = 9
5x-1=9
5x=10
X = 2

Now substitute

3x - 1 = BC
3(2) - 1 = BC
6 -1 = BC
5 = BC
Ver imagen 1subasinghet

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