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Montano1993 [528]
2 years ago
10

2х - Зу = 32 x + 4у = -20 solve the system of equations

Mathematics
1 answer:
ANTONII [103]2 years ago
5 0
Answer: x=68/11 and y=-72/11


Steps:

2(x+4y=-20)

2x+8y=-40

2x - 3y = 32
- 2x + 8y = -40

-11y=72

y=-72/11


x + 4(-72/11) = -20

x - 288/11 = -20

x=68/11
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Read 2 more answers
Show as a picture 20 x 3 1/5
alex41 [277]

Hello! ;3

<em>Steps:</em>

<h3><em>\frac{20}{1} </em></h3><h3 />

<u><em>we have to convert the mixed fraction to improper :D</em></u>

<h3>3×5+1=16</h3><h3 /><h3>\frac{16}{5}</h3><h3 /><h3><em>\frac{20}{1}  × </em>\frac{16}{5} =</h3><h3 /><h3>\frac{320}{5}  </h3><h3 /><h3><u><em>Divide:</em></u></h3><h3 /><h3><u><em>320 ÷ 5 =</em></u></h3><h3 /><h2><u>64 </u></h2><h2 /><h2 /><h2 /><h2 /><h2 /><h2 /><h2 /><h2 /><h2 /><h2 /><h2 /><h2 />

YOU'RE WELCOME :3

<h3 /><h3 />
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