26-09-2020
Mathematics

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Solve the system of equations: y = 3(x-7) and y = x + 19 *

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sqdancefan sqdancefan

26-09-2020

Answer:

(x, y) = (20, 39)

Step-by-step explanation:

Substitute for y:

3(x-7) = x +19

3x -21 = x +19

2x = 40

x = 20

y = 20 +19 = 39

The solution is (x, y) = (20, 39).

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