Mathematics
Mathematics, 03.07.2019 23:30, hoperodriguez3111

Trevor solved the system of equations below. what mistake did he make in his work? 2x + y = 5 x βˆ’ 2y = 10 y = 5 βˆ’ 2x x βˆ’ 2(5 βˆ’ 2x) = 10 x βˆ’ 10 + 4x = 10 5x βˆ’ 10 = 10 5x = 0 x = 0 2(0) + y = 5 y = 5 a he should have substituted 5 + 2x b he combined like terms incorrectly, it should have been 4x instead of 5x c he subtracted 10 from the right side instead of adding 10 to the right side d he made no mistake

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Trevor solved the system of equations below. what mistake did he make in his work? 2x + y = 5 x βˆ’...

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