makayla123312
makayla123312
17-09-2020
Mathematics
contestada
- 7x + 4x=9
explain how you solved.
Respuesta :
mlarsen5000
mlarsen5000
17-09-2020
Answer:
x=-3
Step-by-step explanation:
-7x+4x=9
-3x=9
x=9/-3
x=-3
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