12+6a-3a=30

Simple and best practice solution for 12+6a-3a=30 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 12+6a-3a=30 equation: 


Simplifying
12 + 6a + -3a = 30

Combine like terms: 6a + -3a = 3a
12 + 3a = 30

Solving
12 + 3a = 30

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 3a = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 3a = 30 + -12
3a = 30 + -12

Combine like terms: 30 + -12 = 18
3a = 18

Divide each side by '3'.
a = 6

Simplifying
a = 6

See similar equations:

| 12x=-15 | | 2(f+18)=-2 | | -16r=320 | | -3(w+7)=-9w-27 | | 3r-2=-10+7r-3r | | 14b=-224 | | -4p-3(3-4p)=3(p-5)-34 | | 5(5x+1)-5=25x+0 | | m+4=n+10 | | -2d-9d-(-15d)=-20 | | -2(c-8)=-2c-8 | | (3+3j)(9-2j)= | | -9y=10-8y | | 5+7x-28=2-8x+64 | | 10x=5+15 | | -[2z-(11z+3)]=3+(8z+2) | | 9s-9s+5s=15 | | k-(-1)=-5 | | -9=-10-8 | | (-8x+2)+(10x-7)= | | 5n+10=4n | | 331=6x+7x | | (-5m^2+6n^2-7n)-[(6m^2-7m+5n)+(-6m^2)+4n^2]= | | 3x^2+8x-10=x^2+7x+5 | | bx+by=18 | | -16v+18v-(-11)=-13 | | 6(x+1)+4=-6(x-7)-9 | | 9j-9+4j=-9-2j | | 195=70+(10+8)w | | =11a^2b-12ab^2 | | x+(-4)=-2 | | 20n-4=15n+15 |

Equations solver categories