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Standard VII
Maths
Solution of an Equation using Trial and Error Method
Question
Find the suitable value of $$x$$ for the following equation by trial and method:
$$2x-21 = 21$$
A
$$x = 22$$
B
$$x = 23$$
C
$$x = 20$$
D
$$x = 21$$
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Solution
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Correct option is B. $$x = 21$$
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