2. t + 4 -5 = 0
t-1=0
t=1
4. m+3 = 12-2m
-9=-3m
3=m
5. 15+2k=45
2k=30
k=15
6. 8+5a=14-a
6a=6
a=1
7. 3x+1=2x+11
x=10
8. 40-4x=6x+10
30=10x
x=3
9. 4b+3=15-2b
6b=12
b=2
10. 16+3x =4x-12
x=28
hope that i helped
