4-6x+15=10x+11
-6x-10x=11-4-15
-16x=-8
x=0,5
20-35x+1=34-9x
-35x+9x=34-20-1
-26x=13
x=-0,5
1)4-6x+15=10x+11
-16x= -8
x=8/16
2)20-35x+1=34-9x
-26x= 13
x=-13/26
4-6x+15=10x+11
-6x-10x=11-4-15
-16x=-8
x=0,5
20-35x+1=34-9x
-35x+9x=34-20-1
-26x=13
x=-0,5
1)4-6x+15=10x+11
-6x-10x=11-4-15
-16x= -8
x=8/16
x=0,5
2)20-35x+1=34-9x
-35x+9x=34-20-1
-26x= 13
x=-13/26
x=-0,5