Срочно!!!!! плииз!!!!!!!!!!!!!

Question

Срочно!!!!! плииз!!!!!!!!!!!!!

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Answer 1

24/5 * (6х+0,7) = 12
6х+0,7 = 12*5/24
6х+0,7=5/2
6х=2,5-0,7
6х=1,8
х=0,3

Answer 2

4 4/5*(6x+0.7)-3.16=8.84
4.8*(6x+0.7)=12
6x+0.7=12/4.8
6x-0.7=2.5
6x=2.5-0.7
6x=1.8
x=1.8/6
x=0.3