SOLUTION: . Solve the system of equations using the substitution method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “n
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Question 129734This question is from textbook intermediate algebra
: . Solve the system of equations using the substitution method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
-7x + y = 4
2x + 8y = 0
This question is from textbook intermediate algebra
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
-7x + y = 4
2x + 8y = 0
you have to substitute one variable into an equation, here is easy to find y using the first so y=7x+4 now substistuting in the second we have
2x+8(7x+4)=0 then 58x+32=0 then x=-32/58=-16/29
y=7x+4=7(-16/59)+4=-112/59+4=-112/59+236/59=124/59
then solution is (-16/29,124/59)
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