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Substitution -2x+5y=19 and 3x-4=y
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Substitution -2x+5y=19 and 3x-4=y

User Blacksun
by
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1 Answer

3 votes

Answer:

x = 3, y = 5

Explanation:

Substitute 3x-4 for y, giving you -2x+5(3x-4)=19

Simplify both sides of the equation for 13x-20=19

Add 20 to both sides for 13x=39

x = 3

Substitute x into 3x-4

3(3)-4

9-4

y = 5

User Fedaykin
by
7.1k points
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