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Byju's Answer
Standard VII
Mathematics
Rules for Elimination
Question 13x ...
Question
Question 1
3x = 2x +18
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Solution
3
x
=
2
x
+
18
⇒
3
x
−
2
x
=
18
⇒
x
=
18
To check:
3
x
=
2
x
+
18
⇒
3
×
18
=
2
×
18
+
18
⇒
54
=
36
+
18
⇒
54
=
54
⇒
L
.
H
.
S
.
=
R
.
H
.
S
.
Hence, it is correct.
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