Answer
z = 9.1
Work Step by Step
2.8 = z - 6.3
2.8 + 6.3 = z - 6.3 + 6.3
9.1=z
Check
Replace z with 9.1
2.8 = z - 6.3
2.8 = 9.1 - 6.3
2.8=2.8
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