Solve 9 - x = 4x + 24 – Step-by-Step Solution

Answer

\boxed{x = -3}

Checking the result by substituting $x = -3$ back into the original equation gives $9 - (-3) = 12$ on the left side and $4(-3) + 24 = 12$ on the right side, which confirms the solution is correct.

Problem: Solve the linear equation $9 - x = 4x + 24$ .

Steps

Add $x$ to both sides $9 = 5x + 24$
Subtract 24 from both sides $-15 = 5x$
Divide both sides by 5 $-3 = x$

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Solve 9 - x = 4x + 24

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