14ax + x + a +2x =
2ab - 3ba +5a - a =
xy - x + y - yx =
abc + bca + cab =
x + 3x + 4x - 5x + 7x, если x = 34,7
2ab - 3ba +5a - a =
xy - x + y - yx =
abc + bca + cab =
x + 3x + 4x - 5x + 7x, если x = 34,7
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Answers & Comments
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