jzellers18 jzellers18

17-05-2022
Mathematics

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3x+5y= -9
Y= 2x-7
Use substitution to solve the system

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FromEarth FromEarth

17-05-2022

Answer:

x = 2

Step-by-step explanation:

3x + 5y = -9 ___(1)

y = 2x - 7

Substituting y's value in (1) ..

3x + 5( 2x - 7) = -9

3x + 10x -35 = -9

13x = -9 + 35

13x = 26

x = 26/13

x = 2

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