3r+18=12r-144

Simple and best practice solution for 3r+18=12r-144 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 3r+18=12r-144 equation:


Simplifying
3r + 18 = 12r + -144

Reorder the terms:
18 + 3r = 12r + -144

Reorder the terms:
18 + 3r = -144 + 12r

Solving
18 + 3r = -144 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
18 + 3r + -12r = -144 + 12r + -12r

Combine like terms: 3r + -12r = -9r
18 + -9r = -144 + 12r + -12r

Combine like terms: 12r + -12r = 0
18 + -9r = -144 + 0
18 + -9r = -144

Add '-18' to each side of the equation.
18 + -18 + -9r = -144 + -18

Combine like terms: 18 + -18 = 0
0 + -9r = -144 + -18
-9r = -144 + -18

Combine like terms: -144 + -18 = -162
-9r = -162

Divide each side by '-9'.
r = 18

Simplifying
r = 18

See similar equations:

| 2(w-2)-w=3(w-1)+9 | | y=(-y+2)/9 | | x(x^2-x-81)=81 | | n-6=2 | | 7x^2-62x-9=0 | | 5y-5+2(4y+8)=-3(y+1) | | 3=7a | | 3r+18=12r-36 | | -19+c/3=8 | | 18+6(x-5)=3x+3(x+6) | | 6x-7=119 | | 12y+6=6(3y+1) | | p=30+140 | | 2(g+4)=3g-2(g-5) | | 2(5x+1)=28 | | 2*4+3(4-4)= | | -6(2x-5)+5x=7(x+6) | | 5k-7k=-12 | | (v-2)(v-9)=o | | 5+2x=-7+8x | | 7(v-1)-9=-2(-2v+7)-5v | | 7(2x-3)=7(4x-11) | | 12+8(x-9)=4x+4(X+3) | | -5x-3=5x-43 | | -(6y+1)-(-5y-6)=2 | | 50x-37=-84 | | 4y+2x=28 | | -4-4x=-2x+20 | | 15+q/6=-21 | | -10z-0.5=-20z+16 | | -x-8=-4-2x | | .02x+5.58=0 |

Equations solver categories