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Home / Add to first: \( 2x + 3y + 12x - 3y = 12 + 30 \)

Add to first: \( 2x + 3y + 12x - 3y = 12 + 30 \)

February 22, 2026

$Add to first: \( 2x + 3y + 12x - 3y = 12 + 30 \)$

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\( 2x + 3y = 12 \)
\( 4x - y = 10 \)
Multiply second equation by 3: \( 12x - 3y = 30 \)
\( 14x = 42 \), so \( x = 3 \)
Substitute into first: \( 2(3) + 3y = 12 \) → \( 6 + 3y = 12 \) → \( 3y = 6 \) → \( y = 2 \)
#### \( x = 3, y = 2 \)

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