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Solve the system of equations by substitution. y=4x-13 2x+3y=17

1 Answer

9 votes

Answer:

(4,3)

Explanation:

y=4x-13

2x+3y=17

Use the 1st equation in the second by substituting for y:

2x+3y=17

2x+3(4x-13)=17 [From y = 4x-13]

14x - 39 = 17

14x = 56

x = 4

Use x = 4 in either equation to find y:

y=4x-13

y=4*(4)-13

y = 16 - 13

y = 3

(4,3)

See attachment.

Solve the system of equations by substitution. y=4x-13 2x+3y=17-example-1
User Magnus Heino
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