a-9=13+3a

Simple and best practice solution for a-9=13+3a 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 a-9=13+3a equation:


Simplifying
a + -9 = 13 + 3a

Reorder the terms:
-9 + a = 13 + 3a

Solving
-9 + a = 13 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-9 + a + -3a = 13 + 3a + -3a

Combine like terms: a + -3a = -2a
-9 + -2a = 13 + 3a + -3a

Combine like terms: 3a + -3a = 0
-9 + -2a = 13 + 0
-9 + -2a = 13

Add '9' to each side of the equation.
-9 + 9 + -2a = 13 + 9

Combine like terms: -9 + 9 = 0
0 + -2a = 13 + 9
-2a = 13 + 9

Combine like terms: 13 + 9 = 22
-2a = 22

Divide each side by '-2'.
a = -11

Simplifying
a = -11

See similar equations:

| Sqrt(5)*sqrt(15)/sqrt(6)= | | -9+t=19 | | 1/2x-10=20 | | 32-6d=-9-4d | | 10x+20y=600 | | Sqrt(5)*sqrt(15)= | | 7v/3=35 | | 2+5=9 | | 6x+4+12x+14=90 | | 1/3e=​4​​/3​ | | 5x+11=11x-1 | | 2a+11=6+4a | | z-12=26 | | 788x=4 | | 75+30*53= | | 3(w-6)=108 | | 2/3=30/x | | 24-x=2x | | 4(r-8)+3=5(r+3)-78 | | 3(w-6)=107 | | 3(w-6)=104 | | 9+d=-32-2d | | 2(2x+5)=(5x+1) | | 6(x-2)=3(2x-4) | | 3(w-6)=105 | | 2(3-5x)=26 | | 5w=3w+6 | | 2x=-12+2x | | 75+30n= | | 3(w-6)=160 | | 8m/12m | | y=16x^2+50x-21 |

Equations solver categories