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tangare [24]
1 year ago
5

3х – 8y = -56 -3х – 56 = -8ysolve using system of equations

Mathematics
1 answer:
matrenka [14]1 year ago
7 0
\begin{gathered} 3x-8y=-56 \\ -3x+8y=56 \\ \text{those equations are equivalent, so we only need to solve one},\text{ } \\ 3x-8y=-56\rightarrow3x=-56+8y\rightarrow x=\frac{-56+8y}{3} \\ \text{let y=t} \\ S=\lbrace(\frac{-56+8t}{3},t)^{}\colon t\in R\}^{} \end{gathered}

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