решите уравнение (8,8x+4,7)-(5,4X+2,2)=-1,6

Question

решите уравнение (8,8x+4,7)-(5,4X+2,2)=-1,6

Answer 1

8.8X +4.7 - 5.4X - 2.2 = - 1.6

3.4X = - 1.6 - 4.7 + 2.2

3.4X = - 6.3 + 2.2

3.4X = - 4.1

X = - 1.2

 

 

 

 

 

 

 

 

Answer 2

(8,8x+4,7)-(5,4x+2,2)=-1,6
8.8x+4.7-5.4x-2.2+1.6=0

3.4x+4.1=0

x=-4.1/3.4
x=-41/34 (~-1.21)