1
+
2
b
-
13
=
12
-
4
Mathematics, 10.04.2020 02:03 alicc0529
1+2−13=12−4−2
1
+
2
b
-
13
=
12
-
4
b
-
2
b
for
b
.
Answers: 2
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You know the right answer?
1+2−13=12−4−2
1
+
2
b
-
13
=
12
-
4
1
+
2
b
-
13
=
12
-
4
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