14ax + x + a +2x = 2ab - 3ba +5a - a = xy - x + y - yx = abc + bca + cab = x + 3x + 4x -...

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