1) 13,1- (х + 5,8) = 1,7;
x + 5.8 = 13.1 - 1.7
x + 5.8 = 11.4
x = 11.4 - 5.8
x = 5.6
2) (х - 4,7) - 2,8 = 5,9;
x - 4.7 = 5.9 + 2.8
x - 4.7 = 8.7
x = 8.7 + 4.7
x = 13.4
3) (у - 4,42) + 7,18 = 24,3;
y - 4.42 = 24.3 - 7.18
y - 4.42 = 17.12
y = 17.12 + 4.42
y = 21.54
4) 5,42 - (у - 9,37) = 1,18
y - 9.37 = 5.42 - 1.18
y - 9.37 = 4.24
y = 4.24 + 9.37
y = 13.61
1) 13,1- (х + 5,8) = 1,7;
x + 5.8 = 13.1 - 1.7
x + 5.8 = 11.4
x = 11.4 - 5.8
x = 5.6
2) (х - 4,7) - 2,8 = 5,9;
x - 4.7 = 5.9 + 2.8
x - 4.7 = 8.7
x = 8.7 + 4.7
x = 13.4
3) (у - 4,42) + 7,18 = 24,3;
y - 4.42 = 24.3 - 7.18
y - 4.42 = 17.12
y = 17.12 + 4.42
y = 21.54
4) 5,42 - (у - 9,37) = 1,18
y - 9.37 = 5.42 - 1.18
y - 9.37 = 4.24
y = 4.24 + 9.37
y = 13.61