aiyana0221
aiyana0221
16-09-2020
Mathematics
contestada
3x - 7 + 15x + 16 = 9 - 2x + 4 - x
Respuesta :
meredith48034
meredith48034
16-09-2020
Answer:
Step-by-step explanation:
18x + 9 = -3x + 13
21x + 9 = 13
21x = 4
x = 4/21
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