Question

Решите уравнение=) 3.7х+15+4.1х=89.1

Answer 1

7,8х+15=89,1
7,8х=89,1-15
7,8х=74,1
х=74,1:7,8
x=9,5

Answer 2

3.7x+15+4.1x=89.1

7.8x=89.1-15

7.8x=74.1

x=74.1/7.8

x=9.5