Simplify Equation: Step 1: Simplify the equation by removing the negative sign.Divide both sides by −1 to get rid of the negative outside the parenthesis.−1−(z+−9)=−15z+9=−5
Isolate z: Step 2: Isolate z by subtracting 9 from both sides.Subtract 9 from both sides to solve for z.z+9−9=−5−9z=−14
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