Решите!!!!!!!!!!!! 1800-8x=400

Question

Решите!!!!!!!!!!!! 1800-8x=400

Answer 1

1800-8х=400

-8х=400-1800

-8х=-1400

х=175

Второй вариант:

1800-8х=400

8х=1800-400

8х=1400

х=175

_____

1800-8*175=400

400=400

Answer 2

8x=1800-400

8x=1400

x=1400/8

x=175