What is the solution to the equation 3x + 2(x − 9) = 8x + x − 14?

Group of answer choices

-8

-1

1

8

1 answer

To solve the equation \(3x + 2(x - 9) = 8x + x - 14\), we will first simplify each side of the equation step by step.

Starting with the left side:

  1. Distribute \(2\) in the term \(2(x - 9)\): \[ 3x + 2x - 18 \] Combining like terms: \[ 5x - 18 \]

Now the left side becomes: \[ 5x - 18 \]

Now for the right side:

  1. Combine like terms: \[ 8x + x - 14 = 9x - 14 \]

Now we have the simplified equation: \[ 5x - 18 = 9x - 14 \]

Next, we'll isolate \(x\) by getting all terms involving \(x\) on one side and the constant terms on the other:

  1. Subtract \(5x\) from both sides: \[ -18 = 9x - 5x - 14 \] This simplifies to: \[ -18 = 4x - 14 \]

  2. Add \(14\) to both sides: \[ -18 + 14 = 4x \] This simplifies to: \[ -4 = 4x \]

  3. Divide both sides by \(4\): \[ x = -1 \]

Thus, the solution to the equation is:

\[ \boxed{-1} \]

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