a- 1 - ( a + 3 ) = ?
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Answered by
1
Answer:
a-1-a-3=-4 is the answer
Answered by
0
Step-by-step explanation:
a-1-(a+3)
a-1-3a
3a=a+1
3a=1a
2a=3×1
2a=3
a=3/2
a=1.5
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