Algebra Examples

$7 x + y + 3 = y$

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

Subtract $y$ from both sides of the equation.

$7 x + y + 3 - y = 0$

Step 2.2

Combine the opposite terms in $7 x + y + 3 - y$ .

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Step 2.2.1

Subtract $y$ from $y$ .

$7 x + 0 + 3 = 0$

Step 2.2.2

Add $7 x$ and $0$ .

$7 x + 3 = 0$

Step 3

Subtract $3$ from both sides of the equation.

$7 x = - 3$

Step 4