0
Anonymous
1. 10a-32 = -28
+32 +32
2. 10a = 4
/10 /10
3. a = 4/10 or 0.4
4. simplify fraction from 4/10 to 2/5
A= 2/5 or 0.4
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112
30. 28 x 30 = 840
28 = 1 x 28, 2 x 14, 4 x 7.
28 multiplied by 30 is 840.
x equals 14