<span>4,3x-1,6=-2,4-21,7
4.3x-1.6=-24.1
4.3x=-24.1+1.6
4.3x=-22.5
x=(-22.5)</span>÷4.3
x=-225/43
<span>2,5*(0,8x+1,4)=2*(1,3-1,7x)
</span>2.5(0.8x+1.4)=(1.3-1.7x)=0
2.5(0.8x+1.4)+2(1.7x-1.3)=0
2x+3.5+3.4x-2.6=0
5.4x+0.9=0
5.4x=-0.9
x=(-0.9)÷5.4
x=-1/6
1) <span>4,3x-1,6=-2,4-21,7
4,3х=-2,4-21,7+1,6
4,3х=-22,5
х=-22,5:4,3
х=-5,23
2) </span><span>2,5*(0,8x+1,4)=2*(1,3-1,7x)
2х+3,5=2,6-3,4х
2х+3,4х=2,6-3,5
5,4х=-0,9
х=-0,9:5,4
х=-0,17</span>