The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) →
x – 2y = 3 2x = 18
1 answer:
Answer:
x+2y=12-------(1)
x-2y=3---------(2)
Adding equations 1 and 2
we get
2x=18
x=9
Equation 1
9+2y=15
2y=15-9
2y=6
y=3
The solution of the given system is x=9, y=3
Step-by-step explanation
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Step-by-step explanation:
2/7
2×2 = 4
___
7×2 = 14
2×3 = 6
___
7×3 = 21
2×4 = 8
___
7×4 = 12
Answer:
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Answer:
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Step-by-step explanation:
Answer:
y = -19x + 14
Step-by-step explanation:
For each increase of x by 1, y decreases by 19, giving us -19x. When x = 0, y = 14, therefore, y = -19x + 14
