euniquereni
euniquereni
15-10-2021
Mathematics
contestada
what is the answer to the question
Respuesta :
mhanifa
mhanifa
16-10-2021
Answer:
x = 9, x = 0, x = -14, x = 27, x = 12
Step-by-step explanation:
#1
-9x + 1 = -80
-9x = -81
x = -81/-9
x = 9
#2
6x - 7 = -7
6x = 7 - 7
6x = 0
x = 0
#3
20 - 6x = 104
6x = 20 - 104
6x = -84
x = -84/6
x = - 14
#4
x/9 - 1 = 2
x/9 = 2 + 1
x/9 = 3
x = 3*9
x = 27
#5
8 + x/-4 = 5
8 - x/4 = 5
x/4 = 8 - 5
x/4 = 3
x = 3*4
x = 12
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