3a+15+a=13

Simple and best practice solution for 3a+15+a=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+15+a=13 equation:


Simplifying
3a + 15 + a = 13

Reorder the terms:
15 + 3a + a = 13

Combine like terms: 3a + a = 4a
15 + 4a = 13

Solving
15 + 4a = 13

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 + 4a = 13 + -15

Combine like terms: 15 + -15 = 0
0 + 4a = 13 + -15
4a = 13 + -15

Combine like terms: 13 + -15 = -2
4a = -2

Divide each side by '4'.
a = -0.5

Simplifying
a = -0.5

See similar equations:

| (-2)+(-2)= | | 8x^4+2x^4= | | 3x-4(-4+11)=89 | | -3.86x=0 | | 0=-16x^2-100 | | 28r^3+7r=40r^2+10 | | 8+7(1-2d)=17 | | (8x+1)(3x^2-11x-4)=0 | | 3x-1=3(x-5) | | (6)+(-6)= | | 20+3y=16 | | (7)+(-8)= | | 5y+9=y-23 | | -3p+31=-6(-4p+4)+1 | | (-3)+(-2)= | | 5w-17=7-w | | 4c(-5c^2)= | | 16+3y=16 | | 22-6x=45 | | (-3w^4/8w)(3/w) | | 22-6x=47 | | 7h-18=38 | | 4x+7+x=17 | | 9×n/5=19 | | f(x)=cos(13x) | | 4x+3(-2x+9)=11 | | 7x-25=2x+10 | | (-3)+(3)= | | 8x-12=6x-4 | | -18+9s=-3(8s+5) | | 11x-6=2x+12 | | (1/8)^3-x=8^2x-9 |

Equations solver categories