6y-35=y
-5y=-35
y=7
18-12x=25-13x
(-12x)+13x=25-18
x=7
-2a+5=0.5a
(-2a)-0.5a=-5
-2.5a=-5
a=2
2.6x-0.75=0.9x-35.6
2.6x-0.9x=(-35.6+0.75)
1.7x=34.85
x=20.5
0.8(x-2)-0.7(x-1)=2.7
0.8x-1.6-0.7x+0.7=2.7
0.1x-0.9=2.7
0.1x=2.7+0.9
0.1x=3.6
x=36
8(5-3x)=6(2-4x)+7
40-24x=12-24x+7
40=12+7
40=19
x∈∅
5(x-12)=6(x-10)-x
5x-60=6x-60-x
5x=6x-x
5x=5x
x∈R
6y-35=y
-5y=-35
y=7
18-12x=25-13x
(-12x)+13x=25-18
x=7
-2a+5=0.5a
(-2a)-0.5a=-5
-2.5a=-5
a=2
2.6x-0.75=0.9x-35.6
2.6x-0.9x=(-35.6+0.75)
1.7x=34.85
x=20.5
0.8(x-2)-0.7(x-1)=2.7
0.8x-1.6-0.7x+0.7=2.7
0.1x-0.9=2.7
0.1x=2.7+0.9
0.1x=3.6
x=36
8(5-3x)=6(2-4x)+7
40-24x=12-24x+7
40=12+7
40=19
x∈∅
5(x-12)=6(x-10)-x
5x-60=6x-60-x
5x=6x-x
5x=5x
x∈R