(s+12)+s=390

Simple and best practice solution for (s+12)+s=390 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 (s+12)+s=390 equation:


Simplifying
(s + 12) + s = 390

Reorder the terms:
(12 + s) + s = 390

Remove parenthesis around (12 + s)
12 + s + s = 390

Combine like terms: s + s = 2s
12 + 2s = 390

Solving
12 + 2s = 390

Solving for variable 's'.

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

Add '-12' to each side of the equation.
12 + -12 + 2s = 390 + -12

Combine like terms: 12 + -12 = 0
0 + 2s = 390 + -12
2s = 390 + -12

Combine like terms: 390 + -12 = 378
2s = 378

Divide each side by '2'.
s = 189

Simplifying
s = 189

See similar equations:

| 3(x-5)-(2x+1)=3-x | | 16d+8c=10000 | | x^2+.41x-.095=0 | | x^2+56x-1920=0 | | 5a^2=11a+12 | | x^2+2x+55=90 | | 7a^3=63a | | -x^2-x-1=0 | | 9(4x-3)=3(12x+6) | | 9(4x-3)=3(12+6) | | 3m+2(m+2)=20-(2m-5) | | 6(t-3)+6t=4(3t+3)-11 | | -(3y+1)-(-2y-4)=0 | | 17(t-5)+4t=7(3t+3)-12 | | 9+19n-4=5n+53-2n | | 3+11s-1=4s+56-2s | | -(3y+1)-(-2y-6)=0 | | y-12=-5 | | x-8.9=-6.3 | | 4+x=290 | | h=16t^2+32t+1008 | | y=-5(4)-2 | | 2y=-x+3 | | 9k-4k-8k=-15 | | 1.6q-3.5-4.5q=3.9q-1.2 | | y=-5(-2)-2 | | -3(3b+3)+(10b-9)=0 | | 10y=-5x+15 | | 4x^2+25-9=0 | | -9=4w-3 | | -10.2x=40.8 | | 5p+4p=81 |

Equations solver categories