Решите уравнения 48.3y - (5 - y) = 11 49. (7a + 1) - (6a + 3) = 5 50. (8s + 11) - 13 = 9s...

Question

Решите уравнения
48.3y - (5 - y) = 11
49. (7a + 1) - (6a + 3) = 5
50. (8s + 11) - 13 = 9s - 5

Comments

3y-5+y=11; 4y=16; y=4

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7a+1-6a-3=5; a=5+2; a=7

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8s+11-13=9s-5; 8s-2=9s-5; 5-2=9s-8s; 3=s

Answer 1

48) 4у= 11+5
4у= 16
у= 4
49) 7а-6а= 5+2
а= 7
50) 11+5-13= 9s- 8s
s= 3