Question

Решите уравнение. 2,8x-3,7x=-18

Answer 1

2,8x-3,7x=-18
-0,9x=-18
x=-18:(-0,9)
x=20

Answer 2

2.8 x-3.7x=-18
-0.9=-18
x=-18÷(-0.9)
x=20