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Conner Duncan
Mathematics
10 September, 03:28
Is - 7 a solution of the equation 6 + z = z + 5
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Mattie Hall
10 September, 03:32
0
No
Step-by-step explanation:
If - 7 is a solution, then you could just plug z=-7 into 6 + z = z + 5.
So:
6 + (-7) = - 7 + 5
-1 = - 2
-1 can't equal to - 2 and it will never equal. So if both sides of the equation don't equal, then - 7 is not a solution.
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Nathalia Floyd
10 September, 03:48
0
No
Step-by-step explanation:
Not only is - 7 not a solution, but when solving for z:
6+z = z+5
6+z-z=5
6=5
6 is not equal to 5 so there is no solution
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