-5(2-2x)=2(x-3)+4 2x-4(x+7)=3(2-x) 1,26x+3,58=1,74+6.46 0,88-(5,12+0,08y)=4.92y-y

-5(2-2x)=2(x-3)+4  -10+10x=2x-6+4 -10+10x=2x-2 10x-2x=-2+10 8x=8 x=8:(-8) x=-1 2x-4(x+7)=3(2-x) 2x-4x-28=6-3x -2x-28=6-3x -2x+3x=6+28 x=34 1,26x+3,58=1,74x+6.46 1,26x-1,74x=6,46-3,58 -0,48x=2,88 x=2,88:(-0,48) x= -6 0,88-(5,12+0,08y)=4.92y-y 0,88-5,12-0,08y=3,92y -4,24-0,08y=3,92y 3,92y+0,08y=-4,24 4y=-4,24 y=-4,24:4 y=-1,06