Chapter 1 - Section 1.2 - Operations with Real Numbers and Simplifying Algebraic Expressions - Exercise Set - Page 29: 167

See the explanation. below.

An algebraic equation can be defined as an expression made up of some variables and integral operations such that multiplication, division, addition and subtraction.If we multiply any expression with a negative sign, then we will get a neq expression with alternate signs. For example: $-4(x+2)=-4x-8$ .