8*(112-5х)=816 и 13х+4х=408 ?

Question

8*(112-5х)=816 и 13х+4х=408 ?

Answer 1

N 1
8( 112 - 5x ) = 816
112 - 5x = 816 : 8
- 5x = 102 - 112
- 5x = - 10
X = 2
N 2
13x + 4x = 408
17x = 408
X = 408 : 17
X = 24