-3r-21=-34

Simple and best practice solution for -3r-21=-34 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-21=-34 equation: 


Simplifying
-3r + -21 = -34

Reorder the terms:
-21 + -3r = -34

Solving
-21 + -3r = -34

Solving for variable 'r'.

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

Add '21' to each side of the equation.
-21 + 21 + -3r = -34 + 21

Combine like terms: -21 + 21 = 0
0 + -3r = -34 + 21
-3r = -34 + 21

Combine like terms: -34 + 21 = -13
-3r = -13

Divide each side by '-3'.
r = 4.333333333

Simplifying
r = 4.333333333

See similar equations:

| 3p+6q=24 | | 12=(3/5)x | | 9x+2-4x=27 | | 42m=7(2m-1)-9+8(m+2) | | b-8+4b=26 | | 5/35=x/7 | | 120x^2-76x-605=0 | | 8/-3t=24 | | 0=x^2-13x+30 | | 24-2k=15+k | | g(x)=2x^2-2x+6 | | 3x-29=10x-50 | | 6x=x+576000equatio | | 2x=(550/5) | | 6X=x+576000 | | 4+7x+2x=40 | | 6w/5=30 | | 7-6x+3x=-14 | | 5B+24=3B+48 | | X=-10y-6/7 | | 3x+3+27=42 | | 6p=q-10 | | 9x+28=2x-14 | | -3(x+1)+7=4(x+1)-5 | | 8x+1=(15x+10)2 | | 8x+1=15x+10*2 | | 2x(y+z)=0 | | 34/5v=3 | | (34/5)v=3 | | ((512^(x-2))/((1)/(64))^(3x)=512 | | 34=x+3x+6 | | -3(3s-2)-6=-2(8s+4)-3 |

Equations solver categories