Answer:
z = 5
Explanation:
1.1z+5.5=2.2z
Subtract 1.1z from each side
1.1z-1.1z+5.5=2.2z-1.1z
5.5 = 1.1z
Divide each side by 1.1
5.5/1.1 = 1.1z/1.1
5 = z
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