8a-3(2a+15)=13

Simple and best practice solution for 8a-3(2a+15)=13 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 8a-3(2a+15)=13 equation:


Simplifying
8a + -3(2a + 15) = 13

Reorder the terms:
8a + -3(15 + 2a) = 13
8a + (15 * -3 + 2a * -3) = 13
8a + (-45 + -6a) = 13

Reorder the terms:
-45 + 8a + -6a = 13

Combine like terms: 8a + -6a = 2a
-45 + 2a = 13

Solving
-45 + 2a = 13

Solving for variable 'a'.

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

Add '45' to each side of the equation.
-45 + 45 + 2a = 13 + 45

Combine like terms: -45 + 45 = 0
0 + 2a = 13 + 45
2a = 13 + 45

Combine like terms: 13 + 45 = 58
2a = 58

Divide each side by '2'.
a = 29

Simplifying
a = 29

See similar equations:

| X-.18x=100000 | | 4.6=ln(x) | | N=2d^2-5 | | 3-6x-(4x-9)= | | 3(4k+3)-4(k+3)= | | 27n^2-12=0 | | 3x+1+3x=3 | | y^2+10y-23=0 | | 12n^2+5n-2=0 | | -6x^2+3x-1=0 | | 3(y+7)=48 | | 6z-8=-23+z | | -11+6x=25+4 | | 4x-1+2=6 | | 2=13/9+b | | 2=9+b/13 | | 7(8-2b)= | | 8x+27x-9=7(5x+8) | | 3x+2x+9=14 | | 3b^2-18b=b-6 | | 3x+32x-2=7(5x+2) | | 2x^2+2x-25=0 | | -4=r/9-5 | | 3.45+3X=2.1 | | 4x-1=-4+4x | | 6X-25=5 | | 2-6x+36=0 | | 7(2r-4)-7r=7r-28 | | 6-4m=6-9m | | log(4)64=4x-3 | | -4.9x^2+9.9x-5=0 | | -4.9x^2+20x-5=0 |

Equations solver categories