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1 vote
What is the solution to the system of equation

5x+2y=12
y=-3x+7

A. (13, -2)

B. (1 , 2)

C. (-2 , 13)

D. (2 , 1)

User MattSayar
by
8.7k points

1 Answer

2 votes

Answer:

D. (2 , 1)

Explanation:

STEP 1: Replace all occurrences of
y with
-3x+7 in each equation.


-x+14=12\\y=-3x+7

STEP 2: Solve for
x in the first equation.


x=2\\y=-3x+7

STEP 3: Replace all occurrences of
x with
2 in each equation.


y=1\\x=2

User Kmalmur
by
8.6k points

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