1. 5x-3=4-4x
5x+4x=4+3
9x=7
x=7/9
2. 8y+5=6y+7
8y-6y=7-5
2y=2
y=1
3. 7a+4=a+6
7a-a=6-4
6a=2
a=1/3
4. 5-2x=6+3x
5-6=3x+2x
-1=5x
5x=-1
x=-1/5
1. 5x-3=4-4x
5x+4x=4+3
9x=7
x=7/9
2. 8y+5=6y+7
8y-6y=7-5
2y=2
y=1
3. 7a+4=a+6
7a-a=6-4
6a=2
a=1/3
4. 5-2x=6+3x
5-6=3x+2x
-1=5x
5x=-1
x=-1/5