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

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Joel Wickard asked Nov 7, 2023

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19 votes

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

Mathematics
college

Joel Wickard asked Nov 7, 2023

by Joel Wickard

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1 Answer

16 votes

Answer:

x = 2

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

Orca Ninja answered Nov 12, 2023

by Orca Ninja

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