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Mathematics, 05.10.2020 15:01 blackjack73

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
OA
the subtraction property of equality
OB. combining like terms
O C.
the addition property of equality
the division property of equality
D.

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What is the justification for step 3 in the solution process? 0.8a -0.1a= a-2.5
Step 1: 0.7a=...

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