r-8=4

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


Simplifying
r + -8 = 4

Reorder the terms:
-8 + r = 4

Solving
-8 + r = 4

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + r = 4 + 8

Combine like terms: -8 + 8 = 0
0 + r = 4 + 8
r = 4 + 8

Combine like terms: 4 + 8 = 12
r = 12

Simplifying
r = 12

See similar equations:

| 6x+30+6=4x+16 | | -34-(39)= | | -18=2(v-4)-7v | | 4t+20=4 | | 6-4(3a-2)=2a+10 | | x+2x-1+2x-1+11=127 | | 3g+3=2g+9 | | 4(m^2-6m)=9 | | -9(x+6)+8=62 | | 24+4x=4.60x | | 3u+7v=21 | | 1.4-1.8+2.35x=0.21 | | -7-4x=8+x | | x-21/20=5/4 | | 0.4x+1.5=2.2-1.5 | | 17x=476 | | -24x=-60 | | 2+3+4=85 | | 66=3.14d | | 24(3y-1)= | | 3(7-2)(j+8)=4(4j+2) | | -3x+62=9x+2 | | 199=50-w | | 7x+-19+3x-17+6x+18=174 | | 70(X)=.12x+72 | | 3(n+2.1)=15.6 | | 3(+2.1)=15.6 | | 3x-2x=4x-7 | | 5x-8=-4(x+1)-4 | | 24=5b-9-2n | | (6t-10)+(-19t+6)= | | -15a+8= |

Equations solver categories