3a+6+a=90

Simple and best practice solution for 3a+6+a=90 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+6+a=90 equation: 


Simplifying
3a + 6 + a = 90

Reorder the terms:
6 + 3a + a = 90

Combine like terms: 3a + a = 4a
6 + 4a = 90

Solving
6 + 4a = 90

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 4a = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 4a = 90 + -6
4a = 90 + -6

Combine like terms: 90 + -6 = 84
4a = 84

Divide each side by '4'.
a = 21

Simplifying
a = 21

See similar equations:

| (2x+5)(x-4)=0 | | 5x-w=14x-66 | | 2z=1 | | -5(6v-1)=-85 | | x+x=165 | | 3(3x+1)=-24 | | -(-7c+8)=27 | | 10(x+3)=18x | | -2(-5n-2)=14 | | -3x+15=27 | | 2(2a+6)=24 | | X^2+7x+9x+63= | | 2(2a+6)=21 | | 6n+2=14n | | 3x+9=7x-7 | | 2x^7-10x^5+5x^3-25x= | | 5x-2(2x+6)=-2 | | 2x^7-10x^5-25x= | | 7x-3y=21 | | -8a+26=-14 | | x^4-x^3+7x^2+6x+36= | | 5c^2=40c | | -6x^2+19x-10= | | 4(2n+3)-3n=-3 | | -6y-11=31 | | 32=4(2x+1)-4x | | 9t^2+18t-7=0 | | (-p)-1=p-21 | | 9y-14=22 | | 4(3x+2)+5x=15 | | 12=3(c-4)+5c | | 4w^2=32w |

Equations solver categories