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Solving Systems of Linear Equations using Elimination

Solving Systems of Linear Equations using Elimination 1.7 - Solution

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When Ron-Jon multiplies the second equation by he must multiply both sides for the equality to hold. In his solution Ron-Jon only multiplied the left-hand side but forgot the right-hand side. When the second equation is multiplied by it should instead look like this
Ron-Jon's system then looks like this. Adding the equations will lead to the -terms eliminating each other. The correct value of is then found by solving the resulting equation.