Respuesta :

vanillanekox3

Answer:

6

Step-by-step explanation:

Step 1: equal any two of the three equations together

2x + 3 = 3x - 9

Step 2: isolate the variable

3 = x - 9

6 = x

mommax2
X= 5

-3x/5+1/5= 2/5
X^2 +2x-8=0

X/5= 5

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