Question

НАЙДИТЕ КОРЕНЬ УРАВНЕНИЯ 2(3-4Х)-5=6-7(Х+8)

Answer 1

2(3-4х)-5=6-7(х+8)

6-8х-5=6-7х-56

-8х+7х=6-56-6+5

-х=-51

х=51

Answer 2

2(3-4Х)-5=6-7(Х+8)

6-8х-5=6-7х-56

-8х+7х=-56+6+5-6

-х=-51

х=51

проверка:

  2(3-4*51)-5=6-7(51+8) 

2* (-201)-5=6-7*59

-407= -407