hanagrimley3 hanagrimley3

23-01-2024
Mathematics

contestada

Solve these systems of linear equations by substitution by following the step. Write the solutions on the blanks.2x+y=-4 x+y=7 a. Find the first variable and isolate it. Then solve for that variable. b.Solve for the second variable. c.Find the numerical value of the first variable. d.Check your solution.

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