Question

Найдите корни уравнения: 1) 2x+3/4=x+7/18 2) -2/7-2x=3/4-x

Answer 1

1) 2x+3/4=x+7/18
x = $\frac{14-27}{36} x = - \frac{13}{36}$

2) -2/7 - 2x=3/4-x
-2x + x = 3/4 + 2/7
-x  = (21+8) / 28
 -x = 1 1 / 28
  x = - 1 1/28