3(2r-4)+20-6r=-3r-4

Simple and best practice solution for 3(2r-4)+20-6r=-3r-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 3(2r-4)+20-6r=-3r-4 equation: 


Simplifying
3(2r + -4) + 20 + -6r = -3r + -4

Reorder the terms:
3(-4 + 2r) + 20 + -6r = -3r + -4
(-4 * 3 + 2r * 3) + 20 + -6r = -3r + -4
(-12 + 6r) + 20 + -6r = -3r + -4

Reorder the terms:
-12 + 20 + 6r + -6r = -3r + -4

Combine like terms: -12 + 20 = 8
8 + 6r + -6r = -3r + -4

Combine like terms: 6r + -6r = 0
8 + 0 = -3r + -4
8 = -3r + -4

Reorder the terms:
8 = -4 + -3r

Solving
8 = -4 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
8 + 3r = -4 + -3r + 3r

Combine like terms: -3r + 3r = 0
8 + 3r = -4 + 0
8 + 3r = -4

Add '-8' to each side of the equation.
8 + -8 + 3r = -4 + -8

Combine like terms: 8 + -8 = 0
0 + 3r = -4 + -8
3r = -4 + -8

Combine like terms: -4 + -8 = -12
3r = -12

Divide each side by '3'.
r = -4

Simplifying
r = -4

See similar equations:

| 3x^2+6x+5y^2-30y-10=0 | | 121*36= | | 8x-8w+2x+9y+4y+4w= | | (8x-8w)+(2x+9y)+(4y+4w)= | | -12r+24=-36 | | 12+8x=101 | | (X*2)+(2*x+6)2=102 | | 3(x-4)+6x=-3 | | (X*2)+(2x+6)2=102 | | y=100(1.8)500 | | (x-5)(x+5)=24x | | 3a+230=11a-10 | | -6=2v+4 | | -31=-8v+3(v+3) | | 3(x-3)=4(x+6) | | 7e^2x=8e^3x | | 3u-3=-15 | | 5y+11=8y-13 | | 5y+11=8y-12 | | 5+2(3x-5)=8-4(2x-1) | | 3u+7(u-2)=16 | | 5x+7(x-5)=-11 | | 5t+4=3t+10 | | 8x+8=x^2+10x+9 | | y=100(1.8) | | y=100(1.8)50 | | y=100(1.8)25 | | y=100(1.8)10 | | -5x(2x^2)= | | 3.7+8.9x=x+52.6 | | y=100(1.8)1 | | k(3-n)+n=k |

Equations solver categories