Question

Реши уровнения. 23+у=88,67-у=45,у-30=56,25+х=43+12,45-х=100-60,59-у=11+18.

Answer 1

23+у=88
y=88-23
y=65

67-y=45
y=67-45
y=22

y-30=56
y=56+30
y=86

25+x=43+12
25+x=55
x=55-25
x=30

45-x=100-60
45-x=40
x=45-40
x=5

59-y=11+18
59-y=29
y=59-29
y=30