Solve for x: 6 - 3x = 18
Understand the Problem
The question requires solving for the variable 'x' in the given linear equation. We'll need to isolate 'x' by performing algebraic operations on both sides of the equation to find its value.
Answer
$x = -4$
Answer for screen readers
$x = -4$
Steps to Solve
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Subtract 6 from both sides To isolate the term with $x$, subtract 6 from both sides of the equation. $$6 - 3x - 6 = 18 - 6$$ $$-3x = 12$$
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Divide both sides by -3 Divide both sides of the equation by -3 to solve for $x$. $$\frac{-3x}{-3} = \frac{12}{-3}$$ $$x = -4$$
$x = -4$
More Information
The solution to the equation $6 - 3x = 18$ is $x = -4$.
Tips
A common mistake is to add 6 to both sides of the equation in the first step, instead of subtracting it. Another common mistake is to forget to divide by the negative sign, resulting in an incorrect sign for the answer.
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