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Solve: 2(7 z - 3) = 3(4 z - 2). The value of z is
Az = 2
Bz = 1
Cz = -1
Dz = 0
Answer & Solution
Correct answer: D. z = 0
1. Expand both sides: 14 z - 6 = 12 z - 6.
2. Subtract 12 z from both sides: 2 z - 6 = -6.
3. Add 6 to both sides: 2 z = 0, so z = 0.
4. Hence z = 0.
_Source: Selina Concise Mathematics Class 8, Ch 18 Linear Equations in One Variable (Mistral OCR'd PDF), Test Yourself Q8_
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