1) 0.2*6x- 0.2*5 - 4 *(-1.8) =1,2х-1+7.2= 1,2х+6,2
2)0.4*1.5y+0.4*3-2.5*2.4*y= 0,6у+1,2-6у= 0,6y-6y+1.2=-5.4y+1.2
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2) 0,6у + 1,2 -7,5у + 1,5у = 1,2 -5,4у
1) 0.2*6x- 0.2*5 - 4 *(-1.8) =1,2х-1+7.2= 1,2х+6,2
2)0.4*1.5y+0.4*3-2.5*2.4*y= 0,6у+1,2-6у= 0,6y-6y+1.2=-5.4y+1.2