15. Solve: 3(x - 2) = -27
A. x = -9
B. x = -7
C. x = 7
D. x = -11
16. Solve: 7x - 4 - 2x + 11 = 47
A. x = 8
B. x = 6.9
C. x = 10.8
D. x = -8
17. Solve: -4(1 - 3x) = 20
A. x = 2
B. x = -8
C. x = -2
D. x = 0

Question

15. Solve: 3(x - 2) = -27
A.		 x = -9
B.		 x = -7
C.		 x = 7
D.		 x = -11
16. Solve: 7x - 4 - 2x + 11 = 47
A.		 x = 8
B.		 x = 6.9
C.		 x = 10.8
D.		 x = -8
17. Solve: -4(1 - 3x) = 20
A.		 x = 2
B.		 x = -8
C.		 x = -2
D.		 x = 0

anonymous · Answer

15. multiply in the 3, simplify then solve for x
3x-6 = -27
3x= -21
x=-7

16 simplify and solve for x
5x+7 =47
5x = 40
x=8

17.factor in the -4, simplify and solve for x
-4+12x = 20
12x = 24
x = 2