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Rasek [7]
3 years ago
15

2. X-5 = 13 1. x + 7 = 21 4. x/7= 15 3. 4x = 48

Mathematics
1 answer:
mylen [45]3 years ago
8 0
1. X+7=21
-7 -7
X=14
2. X-5=13
+5 +5
X=18
3. 4x=48
— —
4 4
X=12
4. 7(X/7)=(15)7
X=105
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