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-4x+8=42

−4x+8=42 -4 x+8=42 .What is the value of `x`?

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Full solution

Q. −4x+8=42 -4 x+8=42 .What is the value of `x`?
  1. Isolate variable term: Isolate the variable term by moving the constant term to the other side of the equation. To do this, subtract 88 from both sides of the equation.\newline−4x+8−8=42−8-4x + 8 - 8 = 42 - 8\newline−4x=34-4x = 34
  2. Divide by −4-4: Now, divide both sides of the equation by −4-4 to solve for xx.−4x−4=34−4\frac{-4x}{-4} = \frac{34}{-4}x=−8.5x = -8.5

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