Evaluate 0.45m-9=0.9m

$0.45 m - 9 = 0.9 m$

Step 1

Move all terms containing $m$ to the left side of the equation.

Subtract $0.9 m$ from both sides of the equation.

$0.45 m - 9 - 0.9 m = 0$

Subtract $0.9 m$ from $0.45 m$ .

$- 0.45 m - 9 = 0$

Step 2

Add $9$ to both sides of the equation.

$- 0.45 m = 9$

Step 3

Divide each term in $- 0.45 m = 9$ by $- 0.45$ and simplify.

Divide each term in $- 0.45 m = 9$ by $- 0.45$ .

$\frac{- 0.45 m}{- 0.45} = \frac{9}{- 0.45}$

Simplify the left side.

Cancel the common factor of $- 0.45$ .

Cancel the common factor.

$\frac{- 0.45 m}{- 0.45} = \frac{9}{- 0.45}$

Divide $m$ by $1$ .

$m = \frac{9}{- 0.45}$

Simplify the right side.

Divide $9$ by $- 0.45$ .

$m = - 20$