X-19=-23
x+19-19-23+19= -4

X= 19 so hmm

In mathematics, an equation is a statement that asserts the equality of two expressions, which are connected by the equals sign "=".[2][3][4] The word equation and its cognates in other languages may have subtly different meanings; for example, in
{\displaystyle Ax^{2}+Bx+C-y=0}