Question

Помогите 7⋅(7+x)−3x=5x−68

Answer 1

Ответ:

117

Объяснение:

$7(7 + x) - 3x = 5x - 68 \\ 7 \times 7 + 7 \times x - 3x = 5x - 68 \\ 49 + 7x - 3x = 5x - 68 \\ 4x - 5x = - 68 - 49 \\ - x = - 117 \\ x = 117$