2(r+12)=420

Simple and best practice solution for 2(r+12)=420 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 2(r+12)=420 equation: 


Simplifying
2(r + 12) = 420

Reorder the terms:
2(12 + r) = 420
(12 * 2 + r * 2) = 420
(24 + 2r) = 420

Solving
24 + 2r = 420

Solving for variable 'r'.

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

Add '-24' to each side of the equation.
24 + -24 + 2r = 420 + -24

Combine like terms: 24 + -24 = 0
0 + 2r = 420 + -24
2r = 420 + -24

Combine like terms: 420 + -24 = 396
2r = 396

Divide each side by '2'.
r = 198

Simplifying
r = 198

See similar equations:

| 9=1/2h(3) | | 9+4x-x=9 | | 5/0.06 | | p/p^5 | | -3x-7=-2x+8 | | 2y=-6x+1 | | 1/x-4=7 | | j-(-1.5)=36 | | 7*(3+2)=7*a | | -10+3m=2m | | 1/2(3x-4)=10 | | -2(8y-9)=-32-5y | | 8-6x+3x=2 | | 3w^2=-11w+6 | | 3.15*3.15=x | | 3y+6y+2x=90 | | 8=v+6 | | 6*(x+3)=3*(x+6) | | X-8.9=4.17 | | 3.147*3.147=x | | 100t+40=420 | | 6x-x=-55 | | 2x^2+3x+4=kx | | 3*(3x+2)=4x+1 | | 11=u-5 | | 3.14*3.14=x | | 24=-2(4v+6) | | -10(s+5)=-58 | | (3i)(3i^3)= | | 4*3.14=x | | 2*(x+1)+5=x | | 3r-8r=34 |

Equations solver categories