Question

Решите уравнение
3+10x=5x-1+x

Answer 1

3 + 10x = 5x - 1 + x

3 + 10x = 6x - 1

10x - 6x = - 1 - 3

4x = - 4

x = - 1

Answer 2

3+10х=5х-1+х

10х-5х-х=-1-3

4х=-4

×=-4÷4

×=-1

3+10×(-1)=5×(-1)-1+(-1)

-7=-7