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Sagot :
Answer:
A, B, C
Step-by-step explanation:
A) m- 4 = 15
Substitute value of m in equation: 19-4 = 15
See if the equation is true: 19-4 is 15 APPLIES
B) 16 = m-3
Substitute: 16 = 19-3
Is it true?: 19 - 3 is 16 APPLIES
C) 4 = m-15
Substitute: 4 = 19 - 15
True?: 19-5 is 4 APPLIES
D) 3 + m = 23
Substitute: 3 + 19 = 23
True?: 3 + 19 is 22 not 23 DOES NOT APPLY
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