Решите уравнения 4у – 29 = 31 48 : (65 – z) = 12

Question

Решите уравнения

4у – 29 = 31

48 : (65 – z) = 12

Answer 1

4y=60
y=15

48/65-z=12
780-12z=48
12z=732
z=61

Answer 2

4у – 29 = 31
4у=31+29
4у=50
у=50/4
у=12.5


48 : (65 – z) = 12
65 – z=48:12
65 – z=4
– z=4-65
z=61

Comments

4у – 29 = 31

4у=31+29
4у=60
у=60/4
у=15

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