21/3=7 - ответ
7
Объяснение:
2(x-5) - 4(x+3) = x-43
2x-10 - 4x - 12 = x-43
-2x - 22 = x-43
-3x = 43+22
-3x = 21
x = 7
21/3=7 - ответ
7
Объяснение:
2(x-5) - 4(x+3) = x-43
2x-10 - 4x - 12 = x-43
-2x - 22 = x-43
-3x = 43+22
-3x = 21
x = 7