Question

-2(х-2)+3(2-3х)=21

помогите решить плз

Answer 1

$- 2x + 4 + 6 - 9x = 21$
$- 11x + 10 = 21$
$- 11x = 11$
$x = - 1$

Answer 2

$- 2x + 4 + 6 - 9x = 21 \ - 2x - 9x = 21 - 4 - 6 \ - 11x = 11 \ x = 11 div ( - 11) \ x = - 1$