Basic Math Examples

$7 = - \frac{3}{1} \cdot 1 + b$

Step 1

Rewrite the equation as $- \frac{3}{1} \cdot 1 + b = 7$ .

$- \frac{3}{1} \cdot 1 + b = 7$

Step 2

Simplify each term.

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Step 2.1

Divide $3$ by $1$ .

$- 1 \cdot 3 \cdot 1 + b = 7$

Step 2.2

Multiply $- 1 \cdot 3 \cdot 1$ .

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Step 2.2.1

Multiply $- 1$ by $3$ .

$- 3 \cdot 1 + b = 7$

Step 2.2.2

Multiply $- 3$ by $1$ .

$- 3 + b = 7$

Step 3

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

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Step 3.1

Add $3$ to both sides of the equation.

$b = 7 + 3$

Step 3.2

Add $7$ and $3$ .

$b = 10$