If $2(4 x-5)=5 x+2 x-20$, then find $x$.
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1 Vote
If $2(4 x-5)=5 x+2 x-20$, then find $x$.

(a) $-10$

(b) $-20$

(c) 6

(d) $-60$
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Best Answer

Soln. : $2(4 x-5)=5 x+2 x-20$

$\Rightarrow 8 x-10=7 x-20$

$\Rightarrow 8 x-7 x=-20+10$

$=-10$

$\therefore \quad x=-10 ;$ Ans.

$\therefore \quad$ Correct  option is $(a)$

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