Alberto uses the steps below to solve the equation
which justifies step 6 of his work?
...
Mathematics, 10.07.2019 23:30 michael4443
Alberto uses the steps below to solve the equation
which justifies step 6 of his work?
co¢
* - 3 = 7.
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the addition property of equality
the identity property of addition
the multiplication property of equality
the identity property of multiplication
step 1: x - 3 + 3 = 7 +34
step 2: 5x + 0 = 10
step 3: { x = 10
step 4: 2()x = 2(10)
step 5: 1x = 20
step 6: x = 20
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