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Linear Equations in One Variable — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSLinear Equations in One Variable1 Mark
MCQ
In which of the following, the solution is not an integer$?$
  • A
    $3x - 4 = x + 2$
  • B
    $2x - 18 = 2$
  • ✓
    $4x + 7 = x + 12$
  • D
    $5x + 3 = x - 7$
✓

Answer

Correct option: C.
$4x + 7 = x + 12$
$4x + 7 = x + 12$
$⇒ 4x - x = 12 - 7$
$⇒ 3x = 5$
$\Rightarrow\text{x}=\frac{5}{3}$
$\frac{5}{3}$ is not an integer.

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