3 years ago

What’s the answer to this question

Mathematics

2 answers:

larisa [96]3 years ago

5 0

Answer:

The answer is 30. Do the inverse of negative 8, and that is positive 8. Add 8 on both sides and you get 30. So x is 30.

Diano4ka-milaya [45]3 years ago

3 0

Answer:

Step-by-step explanation:

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3 years ago

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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