(х-2515)+6165=8973
x – 2515 + 6165 = 8973
x = 8973 – 6165 + 2515
x = 5323
3132+(8332-х)=6678
3132 + 8332 – x = 6678
– x = 6678 – 8332 – 3132
-x = -4786
x = 4786
(6142+х)-2183=8972
6142 + x – 2183 = 8972
x = 8972 + 2183 – 6142
x = 5013
(х-2515)+6165=8973
x – 2515 + 6165 = 8973
x = 8973 – 6165 + 2515
x = 5323
3132+(8332-х)=6678
3132 + 8332 – x = 6678
– x = 6678 – 8332 – 3132
-x = -4786
x = 4786
(6142+х)-2183=8972
6142 + x – 2183 = 8972
x = 8972 + 2183 – 6142
x = 5013