Question

решите уравнение 4(x-3)+5=2(x+4)-1

Answer 1

$4(x - 3) + 5 = 2(x + 4) - 1 \\ 4x - 12 + 5 = 2x + 8 - 1 \\ 4x - 2x = 7 - 5 + 12 \\ 2x = 14 \\ x = 14 \div 2 \\ x = 7$