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Alf
Mathematics
22 June, 07:17
Is x=-8 a solution of the equation 3 (x+1) = 3x+3
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Devin Todd
22 June, 07:33
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It is true for all x.
Step-by-step explanation:
3 (x + 1) = 3x + 3
3x + 3 = 3x + 3
3x = 3x + 3 - 3
3x = 3x
0 = 0
It is true for all x. It means that it can be any solution for x since they would result the same.
If you choose x = - 8
3 (-8 + 1) = 3 (-8) + 3
-24 + 3 = - 24 + 3
-21 = - 21
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