Please solve this and explain as though I am retarded.

[Anonymous No.10196100]

[Anonymous No.10196107]

>>10196100
x = table height, t = turtle height, c = cat height
left: x-t+c =170
right: x+t-c = 130
add them together, t and c cancel out:
2x = 300
x =150

[Anonymous No.10196108]

>>10196100
150
Build two equasions and calculate their sum

[Anonymous No.10196115]

>>10196100

[Anonymous No.10196601]

>this thread again
>>10196107
Has the right answer so that is that. The cat is 20 taller than the turtle, but their absolute heights are undefined.

[Anonymous No.10196647]

>>10196100
[math]
\left \{
\begin{align*}
x+c &= t+170 \\
x+t &= c+130
\end{align*}
\right .
\\
\left \{
\begin{align*}
x-t &= -c+170 \\
x+t &= c+130
\end{align*}
\right .
\\
2x= 300 \\
x=150
[/math]

[Anonymous No.10196662]

>>10196100
[math]
\left \{
\begin{matrix}
x+c & = & t+170 \\
x+t & = & c+130
\end{matrix} \right.
\\
\left \{
\begin{matrix}
x-t & = & -c+170 \\
x+t & = & c+130
\end{matrix} \right.
\\
2x=300 \\
x=150
[/math]