Find the value of d such that the system of equations 15x + 10y=-11 and -9x+DT=-19
1 answer:
Answer:
1. 15x + 10y=-11
15x + 10y + 11=-11 + 11
15x + 10y + 11 = 0
2. -9x + DT = 19
-9x = 19 - DT
x = 19/9 + 1/9DT
x = 19/9 + 1/9DT, D∈ℝ, T∈ℝ
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It is 12 since 1/6=6^-1=6
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