12-r=4

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



12-r=4

We move all terms to the left:

12-r-(4)=0

We add all the numbers together, and all the variables

-1r+8=0

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

-r=-8

r=-8/-1

r=+8

See similar equations:

| -68+30k=10(3k-7)+1 | | -6+30k=10(3k-7)+2 | | 9x-4×3x+27=0 | | 8/20=8/x | | -18=k+9 | | 2b2-7b+5=0 | | -7+y=-18 | | 3n-4=-16+n | | 20=5(2x-3) | | 5(y÷2-2)+3y=1 | | .4x=-32 | | 7(x-3)=196/14 | | 3(x+4)+3=6x+3(x+3) | | 5^3x-3=1/25 | | x÷9-7=1 | | (2/5)x=-32 | | 3.5x-7+3x=18 | | 2x+2=20x-16 | | .9xY=255 | | 15=6+1.50x | | .9*x=255 | | x1/3=64 | | 4.9x^2+30x-600=0 | | 3y=8-8 | | 7x2−6x+3=3 | | 6x+8x=168 | | 12=1/3*6h | | 12=1/36h | | 0.60x+0.60(20)=0.30(60) | | 2x+4=3(x2)+1 | | 0.60x+0.90(60)=0.30(102) | | 1/2(4x+6)=-5+24.7 |

Equations solver categories