Question

5х-2(7+5)=-4х-10 найдите корень уравнения

Answer 1

5x-14-10=-4x-10
5x+4x=14+10-10
9x=14
x=14/9

Answer 2

5х - 2(7 + 5) = - 4х - 10
5х + 4х = 2(7 + 5) - 10
9х = 2 * 12 - 10
9х = 24 - 10
9х = 14
х = 14/9 = 1 5/9