Question

решите уравнения:  3y+5y=9.6
a+a+8.154=32
7k-4k-55.2=63.12

Answer 1

3y+5y=9.6
8y=9.6
y=9.6:8
y=1.2

a+a+8.154=32
2a=32-8.154
2a=23.846
a=23.846:2
a=11.923

7k-4k-55.2=63.12
3k=63.12+55.2
3k=118.32
k=118.32:3
k=39.44