3a+9=13

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


Simplifying
3a + 9 = 13

Reorder the terms:
9 + 3a = 13

Solving
9 + 3a = 13

Solving for variable 'a'.

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

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

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

Combine like terms: 13 + -9 = 4
3a = 4

Divide each side by '3'.
a = 1.333333333

Simplifying
a = 1.333333333

See similar equations:

| (xy)dx-(x^2+3y^2)dy=0 | | (xy)dx-(x^2-3y^2)dy=0 | | x^2-26x+57=0 | | 4a^2-14a=0 | | 15/m | | (x^-1)/(4x^4) | | abs(x-5)+abs(x+2)=4 | | 3x2/3=4/3 | | 4-0.6k=4 | | X^2(x-88+36)=0 | | a/-5=2 | | 60*x=y-3825 | | 3eightsx=-6 | | 4x+2a-3x+6ab= | | x^3-6x^2-x+3=0 | | 10a+13b-3b-26a= | | (w^4)-(w^2)+2=0 | | (-6.71)+X=4.21 | | 5x+5=2(2x-1)-2 | | 5x+1-5=5x+7 | | 3-3d/6=4 | | 12a^2-56a+89=0 | | 35=-7v+4(v+5) | | (3-2x)(2+5x)=0 | | 16b^2+60b-100= | | x+y+2(x-y)=0 | | x(5x+9)=2x^2-2x+4 | | log[6](x)=7000000000000 | | 8mn-9n-10mn=0 | | 3a(-b)+4(-a)(b)+7-(-ab)=0 | | xy+5-y=10 | | 1200=150m+c |

Equations solver categories