Respuesta :

3x+3=4x-4
3=x-4
answer:x=7

Answer:

x = 7 and y = 24

Step-by-step explanation:

Set the equations equal to each other

3x + 3 = 4x - 4

-3x         -3x

3 = x - 4

+4     +4

7 = x

Now use the original equations to find the value of y

y = 3(7) + 3           y= 4(7) - 4

y = 21 + 3              y = 28 - 4

y = 24                    y = 24

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