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Mathematics
Maggie Cooper
17 December, 14:56
Solve for z
2 + - z = 5
+2
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2
)
Clay Pennington
17 December, 16:00
0
Simplify both sides of the equation.
2+-z=5
-z+2=5
Subtract 2 from both sides.
-z+2-2=5-2
-z=3
Divide both sides by - 1
-z = 3
-1 = - 1
z=-3
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Ashley Frye
17 December, 18:27
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I'm pretty sure the answer is 3 because the z stands for a missing number so 2+3=5
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