A.5.C
Solve systems of two linear equations with two variables for mathematical and real-world problems.
Khan Academy ResourcesEquivalent systems of equations reviewSystems of equations: FAQElimination method review (systems of linear equations)Age word problemsSystems of equations with substitutionSystems of equations with eliminationSystems of equations with elimination challengeElimination strategiesSystems of equations word problemsSystems of equations word problems (with zero and infinite solutions)Reasoning with systems of equationsCombining equationsSolutions of systems of equationsSystems of equations: trolls, tolls (2 of 2)Systems of equations: trolls, tolls (1 of 2)Systems of equations with elimination: x-4y=-18 & -x+3y=11Systems of equations with elimination: King's cupcakesSystems of equations with elimination: potato chipsSystems of equations with substitution: potato chipsSystems of equations with substitution: -3x-4y=-2 & y=2x-5Age word problem: Ben & WilliamAge word problem: Arman & DiyaAge word problem: ImranSystems of equations with elimination (and manipulation)Systems of equations with elimination: TV & DVDTesting a solution to a system of equationsSystems of equations with substitution: coinsWhy can we subtract one equation from the other in a system of equations?Reasoning with systems of equationsWorked example: equivalent systems of equationsWorked example: non-equivalent systems of equationsSystems of equations with elimination: coffee and croissantsElimination strategiesSystem of equations word problem: infinite solutionsSystems of equations with elimination: apples and orangesSystem of equations word problem: no solutionSystem of equations word problem: walk & ride
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