Question

Реши уравнение:
7⋅(4+x)−5x=3x−61.

Answer 1

7(4 + x) - 5x = 3x - 61

28 + 7x - 5x = 3x - 61

28 + 2x = 3x - 61

2x - 3x = -61 - 28

-1x = -89

x = -89 : (-1)

x = 89