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18 June, 06:20

What is the solution to the system of equations?

x=3y+5

x-4y=3

+2
Answers (1)
  1. 18 June, 09:49
    0
    Solve x = 3y + 5; x - 4y = 3

    x = 3y + 5; x - 4y = 3 Step: Solve x = 3y + 5 for x:Step: Substitute 3y + 5 for x in x - 4y = 3 : x - 4y = 3 3y + 5 - 4y = 3 - y + 5 = 3 Simplify both sides of the equation - y + 5 + - 5 = 3 + - 5 Add - 5 to both sides - y = - 2 - y - 1 = - 2 - 1 Divide both sides by - 1 y=2 Step: Substitute 2 for y in x = 3y + 5 : x = 3y + 5 x = (3) (2) + 5 x=11 Simplify both sides of the equationAnswer: x = 11 and y = 2
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