х+340=214+152
х+340=366
х=26
х+140=2056-500
х+140=1556
х=1426
x+340-152=214
x=214+152-340
x=26
500+x+140=2056
x=2056-500-140
x=1416
х+340=214+152
х+340=366
х=26
х+140=2056-500
х+140=1556
х=1426
x+340-152=214
x=214+152-340
x=26
500+x+140=2056
x=2056-500-140
x=1416