isaiahmogere
isaiahmogere
15-11-2019
Mathematics
contestada
3x -3y = 15
x = 2y + 1
Respuesta :
josiebillings05
josiebillings05
15-11-2019
Answer:
3(2y+1)-3y=15 y=4
Step-by-step explanation:
substitute x=2y+1 into x then solve for y
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