Solve for z z/2+1=9

z2+1=9

Move all terms not containing z to the right side of the equation.

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Subtract 1 from both sides of the equation.

z2=9-1

Subtract 1 from 9.

z2=8

Multiply both sides of the equation by 2.

2⋅z2=2⋅8

Simplify both sides of the equation.

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Cancel the common factor of 2.

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Cancel the common factor.

2⋅z2=2⋅8

Rewrite the expression.

z=2⋅8

Multiply 2 by 8.

z=16

Solve for z z/2+1=9

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