3(a+5)=39

Simple and best practice solution for 3(a+5)=39 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3(a+5)=39 equation: 


Simplifying
3(a + 5) = 39

Reorder the terms:
3(5 + a) = 39
(5 * 3 + a * 3) = 39
(15 + 3a) = 39

Solving
15 + 3a = 39

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-15' to each side of the equation.
15 + -15 + 3a = 39 + -15

Combine like terms: 15 + -15 = 0
0 + 3a = 39 + -15
3a = 39 + -15

Combine like terms: 39 + -15 = 24
3a = 24

Divide each side by '3'.
a = 8

Simplifying
a = 8

See similar equations:

| 6e-3=33 | | 5n^2+7n=omega(n^2) | | 8(3+x)+-5= | | 8=5c-7 | | 8(3+x)-5= | | 3n^2+10=bigO(n^2) | | 6.4x-2.3x=-65.6 | | 3(x-3)=-6.9 | | -7x-8y-3x+12y= | | 9(a+7)=96.3 | | x^5-6x^2+9x=0 | | -821-144-48-(-830)= | | x^2-20x+11=-7x-1 | | 1.8=3c-3 | | 14x+(-10y)+(-3)+6y= | | x^2+12x+35=3 | | 2+(x+17)= | | 7+(-2)+(-2)+7= | | x^2-3y^2=1 | | 4x^2-15x+11=-8x+8 | | 49x^2-84+36=0 | | 7(5a+b)+4(3a+4b)= | | 6e-6=15.6 | | (7x+3)9= | | 8x-6(x+8)= | | 83-6x=30x+23 | | 3x+9(x+7)= | | 8d+9=5d+30 | | =(x^2+y^2+1)(x^2+y^2+1) | | 2x^2+2y^2+2xy-10x-8y+14=0 | | =(4x-3y-1)(4x-3y-1) | | 2x^2-35x+2=0 |

Equations solver categories