1) x+450-3540=50
x-3090=50
x=50+3090
x=3140
2)1234+n+2140=52 741
3374+n=52 741
n=52 741-3374
n=493677
1) x+450-3540=50
x-3090=50
x=50+3090
x=3140
2)1234+n+2140=52 741
3374+n=52 741
n=52 741-3374
n=493677