Basic Math Examples

$7 y - y - 4 = 5 y - 5$

Step 1

Subtract $y$ from $7 y$ .

$6 y - 4 = 5 y - 5$

Step 2

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

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Step 2.1

Subtract $5 y$ from both sides of the equation.

$6 y - 4 - 5 y = - 5$

Step 2.2

Subtract $5 y$ from $6 y$ .

$y - 4 = - 5$

Step 3

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

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Step 3.1

Add $4$ to both sides of the equation.

$y = - 5 + 4$

Step 3.2

Add $- 5$ and $4$ .

$y = - 1$