04-09-2016
Mathematics

contestada

9x+3y+12y-0.9x=9x+(-0.9x)+3y+12y The equation is Commutative Property.. How did they get that second equation?

Respuesta :

GodricSalvatore GodricSalvatore

04-09-2016

Oh how I miss the days when math was as simple as 2+2=4.

Educated guess here: By putting parentheses.

Answer Link

Otras preguntas

Can someone use the word delta in a sentence

How is it possible for Mercury to have frozen ice ?

what is the answer for (20,8),(9,16) ?

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

Can someone use the word delta in a sentence

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

Can someone use the word delta in a sentence

find an equivalent expression without parentheses -(50x-15y+15)=

(10y^3+20y^2+55y)/5y

Can someone use the word delta in a sentence