Question

упростите выражение 2(х-1)-3(х-2)+х

Answer 1

2(х-1)-3(х-2)+х=2х-2-3х+6+х=0х+4=4

Answer 2

2(x - 1) - 3(x - 2) + x
2x -2 -3x +6 +x
2x +х - 3х +6 -2
4