ZeroNakamura ZeroNakamura

02-05-2017
Mathematics

contestada

Solve this equation for a. 10a + 3 + 2a = 39

Respuesta :

Darkling Darkling

02-05-2017

10a+3+2a=39
12a+3=39
-3 -3
12a=36
/12 /12
a=3

Answer Link

DarkBeauty DarkBeauty

02-05-2017

10a+3+2a=39
First simplify
12a+3=39
Then subtract 3 from both sides
12a=36
Then divide both sides by 12
a=3

Answer Link

Otras preguntas

Identify the turning point of the function f(x)=x^2-2x+8 by writing its equation in vertex form. Show work

7x+3y=22 4y=20 I need to know how to write this equation out with the answer

The following statements about carbon dioxide are true EXCEPT a. It can be prepared by the action of acid on CaCO₃ b. It is used in fire extinguishers c. It d

Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?1) If b is negative, the parabola opens downward2) If a is negative,

which expression is equivalent to x^4-y^4?

An ant sits on the back of a mouse. The mouse carries the ant across the floor for a distance of 10 meters. Was there work done by the mouse? Explain.

Over what period of time would you expect to see large changes in mountains,canyons,and similar features of the earth?

what is the cell cycle??

7x+3y=22 4y=20 I need to know how to write this equation out with the answer

1,352 pounds is what fraction short of a ton? A) 169/250 B) 77/100 C)13/20 D140/223