Question

Пж помогите решить уравнение
$x + 456 = 789 + 211$
$316 + x = 789 - 211$
$316 + x = 789 + 211$

Answer 1

х= 789+211-456=544
х=789-211-316=262
х=789+211-316=684

Answer 2

x=789+211-456
x=544

x=789-211-316
x=262

x=789+211-316
x=684