а)-2x+16=5x+30
– 2x – 5x = 30 – 16
-7x = 14
x = -2
б) 11m-7=-22+5m
11m – 5m = – 22 + 7
6m = -15
m = -2.5
в) 2,8-3,2a=-4.8+5.1a
– 3,2a – 5,1a = – 4,8 – 2,8
-8.3a = -7.6
-83a = -76
a = -76/-83
а=0,9156626506
г)8.1-(3.1-y)=1
8.1 – 3.1 + y = 1
y = 1 + 3,1 – 8,1
y = -4
д) 9,4+(8,7-x)=0.1
9.4 + 8.7 – x = 0.1
– x = 0,1 – 8,7 – 9,4
-x = -18
x = 18
а)-2x+16=5x+30
– 2x – 5x = 30 – 16
-7x = 14
x = -2
б) 11m-7=-22+5m
11m – 5m = – 22 + 7
6m = -15
m = -2.5
в) 2,8-3,2a=-4.8+5.1a
– 3,2a – 5,1a = – 4,8 – 2,8
-8.3a = -7.6
-83a = -76
a = -76/-83
а=0,9156626506
г)8.1-(3.1-y)=1
8.1 – 3.1 + y = 1
y = 1 + 3,1 – 8,1
y = -4
д) 9,4+(8,7-x)=0.1
9.4 + 8.7 – x = 0.1
– x = 0,1 – 8,7 – 9,4
-x = -18
x = 18