Question
Asked Sep 30, 2019
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Solve the system by substitution. Give coordinates as integers or reduced fractions.

{7x+3y=37

{x=−3y+7

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Expert Answer

Step 1
The given equations are,
7x 3y 37
--(1)
(2)
Substitute -3y+7 in 7x +3y 37 to find the value of y.
7(-3y 7)+3y37
-21y 49+3y 37
-18y 37-49
-18y-12
2
y =
3
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The given equations are, 7x 3y 37 --(1) (2) Substitute -3y+7 in 7x +3y 37 to find the value of y. 7(-3y 7)+3y37 -21y 49+3y 37 -18y 37-49 -18y-12 2 y = 3

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