Mathematics, 13.07.2019 21:00 ihatemylifebutohwell
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the first equation is substituted into the second equation. x + 4y = β9 2x + 5y = β6 a. 2x + 5(4y β 9) = β6 b. 2x + 5(β4y β 9) = β6 c. 2(4y β 9) + 5y = β6 d. 2(β4y β 9) + 5y = β6
Answers: 1
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If you were to use the substitution method to solve the following system, choose the new equation af...
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