3r+4r=-12+8r-3r

Simple and best practice solution for 3r+4r=-12+8r-3r 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+4r=-12+8r-3r equation: 



3r+4r=-12+8r-3r

We move all terms to the left:

3r+4r-(-12+8r-3r)=0

We add all the numbers together, and all the variables

3r+4r-(5r-12)=0

We add all the numbers together, and all the variables

7r-(5r-12)=0

We get rid of parentheses

7r-5r+12=0

We add all the numbers together, and all the variables

2r+12=0

We move all terms containing r to the left, all other terms to the right

2r=-12

r=-12/2

r=-6

See similar equations:

| -3(-2u+4)-5u=7(u-3)-7 | | 6(n+4)+3(3n+3)=63 | | 4/7n-12=-10 | | 61/2n=9 | | 2(3x+7)/3=5(5x-13)/12 | | 7(2x+7)=7(7+4x) | | 27=6x-5x-2x | | 6b^2+b-15=0 | | 7539.14=3.14r | | 3-9x=6-8x | | 6.9x=207 | | X=-11,y=11 | | -4+4x-x=62 | | 3+-35=15d | | (-2x-3)=30 | | 2w+5w=28 | | -k+2(10k-6=-2(k-6)+9k | | 16h-4(5h-7)=-36 | | 8/3*c-2=2/3*c-12 | | 10(x+9)=5 | | 2x−3=−x+3 | | 6×n=42 | | Y=15+4y | | -2(x-3=30 | | -13/18x=2 | | x^-4=81/16 | | 3r+4r=+8r-3r | | 2(X+1)+3x=2(x+1)+1 | | 7-5x=-2-14 | | 0.25*(0.5*10*x^2)=0.5*10(x–1)^2 | | 11-6x=23 | | x-3/15=1 |

Equations solver categories