Which of the following is not a solution of the equation 2x + 3y = 24?
- {6, 4}
- {0, +8}
- {9. -2}
- {12, 0}
Explanation
Let's check each pair in the equation:
2x + 3y = 24
{6, 4} → 2(6) + 3(4) = 12 + 12 = 24 ✓
{12, 0} → 2(12) + 3(0) = 24 + 0 = 24 ✓
{0, 8} → 2(0) + 3(8) = 0 + 24 = 24 ✓
{9, -2} → 2(9) + 3(-2) = 18 - 6 = 12 ✗
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- (x+5)(x−4)/(x−2)(x+2)
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- x+5/x−2
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