Question

Solve: 3x+2y=15
2x-10=y

Answer 1

\[\Large \begin{array}{l}
3x + 2y = 15\\
2x - 10 = y\\
3x + 2(2x - 10) = 15\\
3x + 4x - 20 = 15\\
7x = 35\\
x = \frac{{35}}{7} = 5\\
y = 2 \cdot 5 - 10 = 0
\end{array}\]

Answer 2

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Answer 3

Big is best.

Answer 4

(5, 0)