Algebra Examples

Solve by Addition/Elimination
,
Multiply each equation by the value that makes the coefficients of opposite.
Simplify.
Tap for more steps...
Multiply by .
Simplify the left side.
Tap for more steps...
Multiply by .
Apply the distributive property.
Multiply by .
Add the two equations together to eliminate from the system.
   
  
Divide each term by and simplify.
Tap for more steps...
Divide each term in by .
Simplify the left side of the equation by cancelling the common factors.
Tap for more steps...
Reduce the expression by cancelling the common factors.
Tap for more steps...
Factor out of .
Move the negative one from the denominator of .
Simplify the expression.
Tap for more steps...
Multiply by .
Rewrite as .
Divide by .
Substitute the value found for into one of the original equations, then solve for .
Tap for more steps...
Substitute the value found for into one of the original equations to solve for .
Move all terms not containing to the right side of the equation.
Tap for more steps...
Subtract from both sides of the equation.
Subtract from .
Divide each term by and simplify.
Tap for more steps...
Divide each term in by .
Reduce the expression by cancelling the common factors.
Tap for more steps...
Cancel the common factor.
Divide by .
Simplify the right side of the equation.
Tap for more steps...
Divide by .
Multiply by .
The solution can be shown in both point and equation forms.
Point Form:
Equation Form:
Enter YOUR Problem
Mathway requires javascript and a modern browser.