Question

the sum of -2x plus y-11 and 2x-yplus 18 is​

Answer 1

Step-by-step explanation:

$\sf Required\:Answer\begin{cases}\bf (-2x+y-11)+(2x-y+18) \\ \longrightarrow\sf -2x+y-11+2x-y+18 \\ \longrightarrow\sf {\cancel{-2x}}+{\cancel{2x}}+{\bcancel {y}}-{\bcancel {y}}-11+18 \\ \longrightarrow\sf -11+18 \\ {\boxed{\bf {=7}}}\end{cases}$