liv53
liv53
23-08-2017
Mathematics
contestada
9x+4(2x-10)-12 will you show your work and the answer
Respuesta :
theweeknd14
theweeknd14
23-08-2017
9x+4(2x-10)-12
9x + 8x
- 40 - 12
9x + 8x = 17x
17x
- 40 - 12
-40 - 12 = -52
Answer: 17x - 52
Answer Link
hazelpagaza
hazelpagaza
23-08-2017
9x+
4(2x-10)
-12 =
(multiply 4 with 2x and -10) 9x
+
8x- 40
-12 =
(add like terms) -->
9x+8x
= 17x -40-12 =
(do the math) 17x
-40-12
---> -40 - 12 = -52 =
(divide 17 on both sides to get x alone) 17x - 52
----- ---- =
x= -52/17 = -3.0588= -3.1
17 17
Answer Link
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