Question

РЕШИТЕ УРАВНЕНИЯ

Х+3           2Х-1

___      =     ___

  7                   5

УПРАСТИТЕ

А)15Х-6У+5У-У-14Х

Б)5(3Х-1)-2(4Х+5)-(7Х+4)

В)14-(5Х+7)-9Х-7

Answer 1

14x-7=5x+15
9x=22
X=22/9
A)x-2y
Б)15x-5-8x-10-7x-4=-19
B)14-5x-7-9x-7=-14x