Respuesta :

equation with a solution of x=1 is 2(x-1)=0
equation with a solution of x=-1 is -2x+4=3x+9
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Answer:

see below

Step-by-step explanation:

The best strategy in cases like that is just use the proposed value in the equation and verify if it is satisfied:

(1) x = 1 satisfies:

the second equation 2(x-1)=0

(2) x = -1 satisfies:

the third equation -2x+4 = 3x+9

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