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Cecilia's Random Thoughts
Thursday, October 1, 2015
Solve for b
Problem:
-7(2b-4)=5(-2b+6)
Solution:
−
7
(
2
b
−
4
)
=
5
(
−
2
b
+
6
)
−
14
b
+
28
=
−
10
b
+
30
28
−
30
=
−
10
b
+
14
b
−
2
=
4
b
b
=
−
1
2
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