-4r-11=4r+21

Simple and best practice solution for -4r-11=4r+21 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 -4r-11=4r+21 equation:


Simplifying
-4r + -11 = 4r + 21

Reorder the terms:
-11 + -4r = 4r + 21

Reorder the terms:
-11 + -4r = 21 + 4r

Solving
-11 + -4r = 21 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
-11 + -4r + -4r = 21 + 4r + -4r

Combine like terms: -4r + -4r = -8r
-11 + -8r = 21 + 4r + -4r

Combine like terms: 4r + -4r = 0
-11 + -8r = 21 + 0
-11 + -8r = 21

Add '11' to each side of the equation.
-11 + 11 + -8r = 21 + 11

Combine like terms: -11 + 11 = 0
0 + -8r = 21 + 11
-8r = 21 + 11

Combine like terms: 21 + 11 = 32
-8r = 32

Divide each side by '-8'.
r = -4

Simplifying
r = -4

See similar equations:

| 9+10x=-31 | | 2y+16=-11 | | -20-(4x-1)=15 | | 5x=6(x+8)+8 | | 3(x+1)=2x+7 | | 34-69=5(x-3) | | 2(x+5)=6 | | 2x(x+5)=6 | | 9y-14=8y-1 | | -25=10p | | -48=5y+y | | 3x+3-2x=6-20 | | 3x-0.4=x-0.1 | | -8+23=12x-2-11x | | 3x-0.4= | | (1.15+8x)=(2.3-1.5x) | | 6x-3-5x-5=26 | | 3(2b+1)-7=50 | | 13x-18=4(3x-1)+5 | | 55=4+3(m+2) | | 25-2(t-5)=19 | | 8(2c-1)=56 | | 5(x+2)=20 | | x+(4x+32)=12 | | 4x+3=-5 | | 4x+10+13x=180 | | 3(x-5)-1=2x+6 | | 4x+10+13=180 | | 4x-10+13x=180 | | 52-5x=4x+19 | | 8-9x=56-30x | | -13-7x=8x+17 |

Equations solver categories