Pre-Algebra Examples

$7 - 3 y = 10 - x$

Step 1

The standard form of a linear equation is $A x + B y = C$ .

Step 2

Move all terms containing variables to the left side of the equation.

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Step 2.1

Add $x$ to both sides of the equation.

$7 - 3 y + x = 10$

Step 2.2

Move $7$ .

$- 3 y + x + 7 = 10$

Step 2.3

Reorder $- 3 y$ and $x$ .

$x - 3 y + 7 = 10$

Step 3

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

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Step 3.1

Subtract $7$ from both sides of the equation.

$x - 3 y = 10 - 7$

Step 3.2

Subtract $7$ from $10$ .

$x - 3 y = 3$

Step 4