Question

Helpp WITH 2ND AND 4TH LINE !

Answer 1

1. 11.2

2. 8

Explanation:

Answer 2

1. x= 11.2

2. x= 8

Explanation:

1.

`124+5x=180\\-124 -124\\5x=56\\(5x)/(5) = (56)/(5) \\ x=11.2`

Check:

`124+5(11.2)=180\\124+56=180\\180=180`

2.

`7x-6=50\\+6 +6\\7x=56\\(7x)/(7) = (56)/(7) \\x=8`

Check:

`7(8)-6=50\\56-6=50\\50=50`