1. 2x-10=5x-1
subtract 2x from both sides:
2x-10-2x=5x-1-2x
-10=3x-1
Add 1 to both sides:
-10+1=3x-1+1
-9=3x
Divide both sides by 3:
-9/3=3x/3
-3=x
x=-3
2. -4x-6=-3x-15
Add 4x to both sides:
-4x-6+4x=-3x-15+4x
-6=x-15
Add 15 to both sides:
-6+15=x-15+15
9=x
x=9
3. 15x-10=22x+39
Subtract 15x from both sides:
15x-10-15x=22x+39-15x
-10=7x+39
Subtract 39 from both sides:
-10-39=7x+39-39
-49=7x
Divide both sides by 7:
-49/7=7x/7
-7=x
x=-7
4. 16x-32=8x+16
Subtract 8x from both sides:
16x-32-8x=8x+16-8x
8x-32=16
Add 32 to both sides:
8x-32+32=16+32
8x=48
Divide both sides by 8:
8x/8=48/8
x=6