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Mathematics, 05.02.2021 21:30 pc103919
Step
Justification
3
Identify the missing justifications.
2x - 7 = 15
Given
2x + 7 + 7 = 15 + 7
Addition property of
equality
(b) =
2x + 0 = 22
(a)
DONE
2x = 22
Additive identity
(C)2 = ()2
(b)
1.x = 11
Multiplicative inverse
x= 11
Multiplicative identity
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You know the right answer?
Step
Justification
3
Identify the missing justifications.
2x - 7 = 15
Given...
3
Identify the missing justifications.
2x - 7 = 15
Given...
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