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SpyIntel [72]
3 years ago
13

- 30 = 5 ( x + 11 ) x =

Mathematics
1 answer:
pishuonlain [190]3 years ago
4 0
X is -17
- 30 =5(x + 11) \\  - 30 = 5x + 55 \\ 5x =  - 30 - 55 =  - 85
x =  \frac{ - 85}{5}  =  - 17






good luck
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3 0
2 years ago
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What is x+y=10;y=x+10
Alenkasestr [34]

[ Answer ]

\boxed{\bold{X \ = \ 0, \ Y \ = \ 10}}

[ Explanation ]

  • System Of Equations \bold{\left \{ {X \ + \ Y \ = \ 10} \atop {Y \ + \ X \ = \ 10}} \right.}

-----------------------------------

  • [Substitute] Y = X + 10

\bold{\begin{bmatrix}x+x+10=10\end{bmatrix}}

  • Isolate x for x + x + 10 = 10: x = 0

For y = 10

Substitute x = 0

Y = 0 + 10

0 + 10 = 10

y = 10

  • Solutions

X = 0

Y = 10

\boxed{\bold{[] \ Eclipsed \ []}}

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