Question
\( -2 y-4(-6 y-6)=-4-6(-3-y) \) One solution, and \( y= \)
Ask by Young Harris. in the United States
Mar 10,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
\( y = -\frac{5}{8} \)
Solution
We start with the given equation:
\[
-2y - 4(-6y - 6) = -4 - 6(-3 - y)
\]
**Step 1: Expand the parentheses**
On the left-hand side:
\[
-2y - 4(-6y - 6) = -2y + 24y + 24
\]
which simplifies to:
\[
22y + 24
\]
On the right-hand side:
\[
-4 - 6(-3 - y) = -4 + 18 + 6y
\]
which simplifies to:
\[
6y + 14
\]
**Step 2: Set the expanded expressions equal**
\[
22y + 24 = 6y + 14
\]
**Step 3: Isolate \( y \)**
Subtract \( 6y \) from both sides:
\[
22y - 6y + 24 = 14 \quad \Longrightarrow \quad 16y + 24 = 14
\]
Subtract 24 from both sides:
\[
16y = 14 - 24 \quad \Longrightarrow \quad 16y = -10
\]
Divide both sides by 16:
\[
y = \frac{-10}{16} = -\frac{5}{8}
\]
So, the solution is:
\[
y = -\frac{5}{8}
\]
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Beyond the Answer
First, let’s simplify the equation step by step. Starting with the original equation: \[ -2y - 4(-6y - 6) = -4 - 6(-3 - y) \] Distributing the -4 and -6: \[ -2y + 24y + 24 = -4 + 18 + 6y \] Combine like terms: \[ 22y + 24 = 14 + 6y \] Now, let’s isolate the variable \(y\): \[ 22y - 6y = 14 - 24 \] \[ 16y = -10 \] Finally, divide both sides by 16: \[ y = \frac{-10}{16} = \frac{-5}{8} \] So, the solution is: \[ y = -\frac{5}{8} \]