hey106 hey106
  • 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 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

You put $500 in an interest bearing bank account that pays 2% per year but has a fee of $2 per month. are you getting ahead?
The enforcement act of 1870
What is the value of 14^0?
What is the correct name for there clues that historians look for
an animal that eats both meat and plants is called a?
Again, look at the table. Examine the saturated thickness levels between 1975 and 1990 and between 1995 and 2010. Each of these are fifteen-year spans, but the
I need help on 2 and 3
What events triggered the u.s. entry into world war ii?
Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math. Another 15% of the students she surve
Solve the following literal equation for b. 3ab - z = y(4ab + 2z)