x = 2,96.
Объяснение:
5(х-3)+7(3х+6)=(х-2)+103
5x - 15 + 21x + 42 = x - 2 + 103
5x + 21x - x = -2 + 103 + 15 - 42
25x = 74
x = 74 ÷ 25
x = 2,96
x = 2,96.
Объяснение:
5(х-3)+7(3х+6)=(х-2)+103
5x - 15 + 21x + 42 = x - 2 + 103
5x + 21x - x = -2 + 103 + 15 - 42
25x = 74
x = 74 ÷ 25
x = 2,96