Three problems for 50 ! 1- -3t=99 2- 1/6k=-11 3- 4 1/2 +q=9 1/2 show work thx s !

1. -3t=99
-3t/-3t=99/-3
T=-33

1. -3t=99
So divide -3 on both sides:
-3/-3t=99/3
That would equal-33
2. 1/6K=-11
Multiply 1/6 to both side:
1/6(1/6)K=-11(1/6)
That would equal-66
3. 4 1/2 +q= 9 1/2
Subtract 4 and 1/2 on both sides:
4 1/2 +q= 9 1/2
-4 1/2 -4 1/2
q= 5/2
So that answer is 5/2

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Value for line ac: (3x+6)+(2x+14)= 5x+20