SOLUTION: solve by the substitution method 4x+3y=-1, x=58-9y
The solution is??
(write ordered pair)
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Question 468791: solve by the substitution method 4x+3y=-1, x=58-9y
The solution is??
(write ordered pair)
Answer by rfadrogane(214) (Show Source): You can put this solution on YOUR website!
Solution,
4x + 3y = -1 ----(1)
x = 58 - 9y -----(2)
Substitute (2) into (1),
4(58 - 9y) + 3y = -1
232 - 36y + 3y = -1
232 - 33y = -1
thus,
33y = 232+1
33y = 233, divide by 33 on both side
y = 233/33
for x:
x = 58 - 9(233/33)
x = -61/11
and finally,
x = -61/11 and y = 233/33 <---- answer
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