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प्रश्न
Fill in the blank.
3x − 5 = 7 − x ⇒ x = ______
उत्तर
x = 3
3x − 5 = 7 − x
or, 3x + x = 7 + 5 [Transposing x to the L.H.S. and 5 to the R.H.S.]
or, 4x = 12
or, `(4x)/4=12/4` = 124
or, x = 3
APPEARS IN
संबंधित प्रश्न
Simplify:
4x − (3y − x + 2z)
Verify by substitution that the root of 3 + 2x = 9 is x = 3.
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x − 2 = −5
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Fill in the blank.
An expression having one term is called a______
Write the following statement in the form of the equation:
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Two consecutive odd integers.
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5m = 60 (10, 5, 12, 15)
Complete the table and by inspection of the table, find the solution to the equation m + 10 = 16.
|
m |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
______ |
|
m + 10 |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
