Mathematics, 19.09.2019 21:00, rodrickahammonds

What is the justification for step 3 in the solution process?
0.8a − 0.1a = a − 2.5
step 1: 0.7a = a − 2.5
step 2: -0.3a = -2.5
step 3: a = 8.3

Answers: 2

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What is the justification for step 3 in the solution process?
0.8a − 0.1a = a − 2.5
ste...