To distribute the minus sign outside the parentheses in the expression \(-4.3s - (9t + 1)\), we need to apply the minus sign to both terms inside the parentheses.
Here’s how it works:
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Distribute the minus sign: \[
- (9t + 1) = -9t - 1 \]
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Now substitute this back into the original expression: \[ -4.3s - (9t + 1) = -4.3s - 9t - 1 \]
So the equivalent expression is:
\[ -4.3s - 9t - 1 \]