X-1=7(x-1) x-2=1+4x 5x+5=5(x-1)

Question

X-1=7(x-1)
x-2=1+4x
5x+5=5(x-1)

Answer 1

X-1 = 7x-7
6x=6
x=1


x-2=1+4x
3x =-3
x=-1


5x+5=5(x-1)
5x +5 = 5x -5
корней нет