Question

Решить уравнение(7x-9)-(11-x)=12

Answer 1

7x - 9 - 11 + x = 12
8x = 12 + 20
8x = 32
x = 32/8
x = 4

Answer 2

7x-9-11+x=12
7x+x=12+9+11
8x=32
x=32÷8
x=4