Question

Найдите корень уравнения -4x+4=-6

Answer 1

-4x+4=-6

-4x=-10

x=10/4=2.5

Answer 2

$- 4x = - 6 - 4 \\ - 4x = - 10 \\ \times = \frac{10}{4} = \frac{5}{2} = 2 \frac{1}{2}$