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Byju's Answer
Standard VII
Mathematics
Forming Equation from Solution
Solve each of...
Question
Solve each of the following system of equations in R.
20. −5 < 2x − 3 < 5
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Solution
-
5
<
2
x
-
3
<
5
⇒
-
5
+
3
<
2
x
<
5
+
3
Adding
3
throughout
⇒
-
2
<
2
x
<
8
⇒
-
1
<
x
<
4
Dividing
throughout
by
2
⇒
x
∈
-
1
,
4
Hence, the interval (
-
1,4) is the solution of the given set of inequaltions.
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