Помогите решить

(133+x) + 57=218

248 - (y+128) = 24

(24-x) + 39=49

(y+267) - 97=538

163 + (87+n) = 303

(x-24) - 56=134

(133+x) + 57=218

133+x=218-57

133+x=161

x=161-133

x=28

248 - (y+128) = 24

y+128=248-24

y+128=224

y=224-128

y=96

(24-x) + 39=49

24-x=49-39

24-x=10

x=24-10

x=14

(y+267) - 97=538

y+267=538+97

y+267=635

y=635-267

y=368

163 + (87+n) = 303

87+n=303-163

87+n=140

n=140-86

n=54

(x-24) - 56=134

x-24=134+56

x-24=190

x=190+24

x=214