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Mathematics
Lizeth Ayers
5 July, 08:32
How do you solve 7-5z=17+5z
+5
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2
)
Zaid Cantu
5 July, 08:37
0
Plus 5z from both sides
7=17 + 10z
Minus 17 from both sides
-10 = 10z
Z = - 1
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Mateo Jenkins
5 July, 10:19
0
7-5z=17+5z
Step 1: Simplify both sides of the equation.
7-5z=17+5z
7+-5z=17+5z
-5z+7=5z+17
Step 2: Subtract 5z from both sides.
-5z+7-5z=5z+17-5z
-10z+7=17
Step 3: Subtract 7 from both sides.
-10z+7-7=17-7
-10z=10
Step 4: Divide both sides by - 10.
-10z
-10
=
10
-10
z=-1
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