ZeroNakamura
ZeroNakamura ZeroNakamura
  • 02-05-2017
  • Mathematics
contestada

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

Respuesta :

Darkling
Darkling Darkling
  • 02-05-2017
10a+3+2a=39
12a+3=39
      -3   -3
12a=36
/12   /12
a=3
Answer Link
DarkBeauty
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

Which of the following statements represents a productive way to maintain a horizontal relationship?
One of the solutions of the system of equations shown in the graph has an x-value of –4. What is its corresponding integer y-value? The solution is (–4,__ )
A parabola has a line of symmetry x = -5. The minimum value of the quadratic function that it represents is -7. Find a possible equation of this parabola and ex
find the x-intercepts of the parabola with vertex (-1,-16) and y intercept (0,15), write your answer in this form (x1,y1),(x2,y2)
if a material contains three elements but not joined in a fixed proportion it is a
The legs of a right triangle measure 5√2 cm and 4√2 cm. Find the area.
3x-y-3z if x=-2, y=1 and z=-2
Immediately after World War II, which country exerted political and economic control over Poland, Hungary, and Romania?
If P(x) = 0.35, find the complement
Miss lawrence buys 8 ounces of smoked salmon at 17.98 per pound how much money does mis lawrence spend on smoked salmon