Question

14ax + x + a +2x =
2ab - 3ba +5a - a =
xy - x + y - yx =
abc + bca + cab =

x + 3x + 4x - 5x + 7x, если x = 34,7

Answer 1

14ах+х+а+2х=х (14а+1+а+2)=
х (15а+3)
34,7×15а+34,7×3=520,5а+104,1 х=34,7

х+3х+4х-5х+7х=х (3+4-5+7)=9х=312,3