Question

найдите корень уравнения 2х+7=-2х​

Answer 1

$2x + 7 = - 2x \\ 2x + 2x = - 7 \\ 4x = - 7 \\ x = \frac{ - 7}{4} \\ x = - 1 \frac{3}{4} \\ x = - 1.75$