Question

On simplifying $3b+\left\{\right(2a-\overline{6a-4a}+b)-b\}$, we get

• A. $b$
• B. $-b$
• C. $3b$
• D. $-3b$

Answer 1

The correct option is C

$3b$

$3b+\left\{\right(2a-\overline{6a-4a}+b)-b\}$

= $3b+\left\{\right(2a-2a+b)-b\}$

= $3b+\left\{\right(b)-b\}$

= $3b+\{b-b\}$

= $3b$