Question

$$M= \frac{ y2-y1 }{ x2-x1 } \times 55555444 \times$$

Answer

M=y/x*55555444*

Solution


Regroup terms.
\[M=\frac{2y-y\times 1}{x\times 2-x\times 1}\times 55555444\]
Simplify  \(y\times 1\)  to  \(y\).
\[M=\frac{2y-y}{x\times 2-x\times 1}\times 55555444\]
Simplify  \(2y-y\)  to  \(y\).
\[M=\frac{y}{x\times 2-x\times 1}\times 55555444\]
Regroup terms.
\[M=\frac{y}{2x-x\times 1}\times 55555444\]
Simplify  \(x\times 1\)  to  \(x\).
\[M=\frac{y}{2x-x}\times 55555444\]
Simplify  \(2x-x\)  to  \(x\).
\[M=\frac{y}{x}\times 55555444\]