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alexira [117]
4 years ago
7

Please answer ASAP im in desperate need of help!!!

Mathematics
2 answers:
Illusion [34]4 years ago
7 0
I'm stuck on that one too
Sergeu [11.5K]4 years ago
5 0
5. replace y in the second equation
4x + 5(3x+9) = 7
4x +15x + 45 = 7
19x+45=7
-45 -45
19x = -38
x=-2
idk what linear combination is im sorry
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