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2 votes
Find the solution to the following system using substitution or elimination:

y = -4x + 9
y = 3x - 5
O (1, -2)
O (14, 37)
O (2, 1)
O (1, 5)

2 Answers

6 votes

Answer:

(2,1)

Explanation:

y = -4x + 9 -------------->eq1

y = 3x - 5 --------------->eq2

consider eq 1 and put in eq2

-4x+9=3x-5

add -9 on both sides

-4x=3x-14

add -3x on both sides

-4x-3x=-14

-7x=-14

x=2

put in eq1

y=-4(2)+9

y=1

S.S=(2,1)

User Yesudass Moses
by
2.7k points
2 votes

Answer:

a

Explanation:

User Boris Parnikel
by
3.4k points