Question

x-5+7-3=15
решите уравнение

Answer 1

$x-5+7-3=15 \\ x-5+7=15+3 \\ x-5+7=18 \\ x-5=18-7 \\ x-5=11 \\ x=11+5 \\ x=16$

Answer 2

X - 5 + 7 - 3 = 15
X = 15 + 5 - 7 + 3
X = 16