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Nina [5.8K]
2 years ago
13

Solve each of the following system of equations by substitution!!! x-5y=-49 y=-2x+1

Mathematics
1 answer:
saul85 [17]2 years ago
8 0

Answer:

(-4,9)

Step-by-step explanation:

substitute the given value for y into the first equation

x-5(-2x+1)=-49

distribute

x+10x-5=-49

add like terms

11x-5=-49

add 5 to both sides

11x=-44

divide both sides by 11

x=-4

now plug x into into the second equation

y=-2(-4)+1

y=8+1

add like terms

y=9

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