danriwer danriwer

24-01-2021
Mathematics

contestada

Solve.
-72? + 7x +1 = -8
Choose 1 answer:
А
-7 + V301
--14
в)
7
x = -1,
10
С
C
ll
2 + 5
-2
1+ 157
D
-8

Respuesta :

gracesparks24 gracesparks24

24-01-2021

Answer:

x=9

Step-by-step explanation:

simplify both sides of the equation

7x+ (-72+1)= -8

7x+-71= -8

7x-71= -8

add 71 to both sides

71+71= 0

-8+71=63

7x/ 7

63/7

x= 9

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