Solve 9-2x - ScanMath

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Type your math problem... 9-2x

x

Question

Find the roots

x = \frac{9}{2}

Alternative Form

x = 4.5

Evaluate

9 - 2 x

To find the roots of the expression,set the expression equal to 0

9 - 2 x = 0

Move the constant to the right-hand side and change its sign

- 2 x = 0 - 9

Removing 0 doesn't change the value,so remove it from the expression

- 2 x = - 9

Change the signs on both sides of the equation

2 x = 9

Divide both sides

\frac{2 x}{2} = \frac{9}{2}

Solution

x = \frac{9}{2}

Alternative Form

x = 4.5

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