13r+s-20r+20s=

Simple and best practice solution for 13r+s-20r+20s= 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 13r+s-20r+20s= equation:


Simplifying
13r + s + -20r + 20s = 0

Reorder the terms:
13r + -20r + s + 20s = 0

Combine like terms: 13r + -20r = -7r
-7r + s + 20s = 0

Combine like terms: s + 20s = 21s
-7r + 21s = 0

Solving
-7r + 21s = 0

Solving for variable 'r'.

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

Add '-21s' to each side of the equation.
-7r + 21s + -21s = 0 + -21s

Combine like terms: 21s + -21s = 0
-7r + 0 = 0 + -21s
-7r = 0 + -21s
Remove the zero:
-7r = -21s

Divide each side by '-7'.
r = 3s

Simplifying
r = 3s

See similar equations:

| -4(10z+4)=-6(-8+12z) | | 14x+6=-22 | | -0.2(x+1)=0.3(x+11) | | 10q=5(-8q-10) | | -3(4y-8)+2(2y+10)= | | 3x^2+12x+5=0 | | -3.82-2.6k=3.95+1.3k-1.8k | | 4(-xy^6)(x^2y)= | | -9a+10w= | | -8.9d-1.67=-8.8d | | -6(n-3)+4(n+1)= | | -9c+12=-5+6c | | x-(0.5x+2.6)=17.6 | | -8(x+2)=2(x-13) | | 8x+5=5x+26 | | -15v+16q= | | 3.5p+9.44=-17.57-3.8p | | 8(x-4)=-4(x-16) | | 2+3(2t-7)-3(4t+3)-8= | | 4(2-b)+3(3+2b)=33 | | 1-2(6-x)=3x+2 | | 7+4x=-37 | | 3x-1=12x-73 | | -19.1r+1.4r+18.47=-17.41-20r | | 6(x+5)=-3(x+11) | | -(2z+7)+3(2z+6)-2z= | | 6x-2(x+3)=5 | | 2x-2-7x=18-5x+4 | | z^4*z^3= | | 2(6-4d)=-9d | | .25(16+4x)-.5(12+2x)= | | (x-5)(x-5)-(2x)(2x)=0 |

Equations solver categories