1) 25+х=43+12
x = 12 + 43 – 25
x = 30
2)45-х+100-60=-x+85
3) 59-у=11+18
– y = 18 + 11 – 59
-y = -30
y = 30
1) 25+х=43+12
x = 12 + 43 – 25
x = 30
2)45-х+100-60=-x+85
3) 59-у=11+18
– y = 18 + 11 – 59
-y = -30
y = 30