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Solve: 4 x - 13 = 7 - x. The value of x is
Ax = 1
Bx = -4
Cx = 4
Dx = 20
Answer & Solution
Correct answer: C. x = 4
1. Add x to both sides: 5 x - 13 = 7.
2. Add 13 to both sides: 5 x = 20.
3. Divide by 5: x = 4.
4. Hence x = 4.
_Source: Selina Concise Mathematics Class 8, Ch 18 Linear Equations in One Variable (Mistral OCR'd PDF), Test Yourself Q7_
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