NECESITO ESTA LAS SIGUIENTES ECUACIONES LINEALES:
x + 9 x = 90
- 2 x + 1 = 3
2 (3 x - 2) - (x - 3) = 8
−1−−22+−33=0
21 - 7 x = 41 x – 123
x + 9 x = 90
- 2 x + 1 = 3
2 (3 x - 2) - (x - 3) = 8
−1−−22+−33=0
21 - 7 x = 41 x – 123
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b. x=1
c. x=3
d. no hay x
e. x=3