Consider the system of equations. 3x + 2y = 16, x + y = 4 Which numerical values could you multiply the second equation by to el
iminate a variable? Select all that apply. 2 –2 3 –3 4 –4
2 answers:
Answer:
-2 and -3
Step-by-step explanation:
Answer: -2
Step-by-step explanation:
3x+2y=16
x+y=4 multiply by -2
-2x-2y=-8
3x+2y=16 ------a
-2x-2y=-8 -------b
Add equation a and b
(3x+-2x)+(2y+-2y) = 16+(-8)
x+0=8 (y has been eliminated)
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Answer:
y = 3/-1 + 1 or y = -3/1 + 1
Step-by-step explanation:
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