Question

what should be the value of (a) if the value of 2x + x - a equals to 5 , when x =0 ??​

Answer 1

AnsweR :

Value of ( a )

$\sf \: 2x + x - a = 5$

$\sf \: x = 0$

$\sf2 \times 0 + 0 - a = 5 \\ \\ \sf0 + 0 - a = 5 \\ \\ \sf0 - a = 5 \\ \\ \sf \: - a = 5 \\ \\ \sf \: a = - 5$