75=-20r+(-3r)+(2r)

Simple and best practice solution for 75=-20r+(-3r)+(2r) 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 75=-20r+(-3r)+(2r) equation:


Simplifying
75 = -20r + (-3r) + (2r)

Combine like terms: -20r + (-3r) = -23r
75 = -23r + (2r)

Combine like terms: -23r + (2r) = -21r
75 = -21r

Solving
75 = -21r

Solving for variable 'r'.

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

Add '21r' to each side of the equation.
75 + 21r = -21r + 21r

Combine like terms: -21r + 21r = 0
75 + 21r = 0

Add '-75' to each side of the equation.
75 + -75 + 21r = 0 + -75

Combine like terms: 75 + -75 = 0
0 + 21r = 0 + -75
21r = 0 + -75

Combine like terms: 0 + -75 = -75
21r = -75

Divide each side by '21'.
r = -3.571428571

Simplifying
r = -3.571428571

See similar equations:

| 7-2z=15 | | 2x*2x-1=9 | | 2x*2x-=9 | | (19x-1)+(13x-5)=90 | | 12=5+x+(x-1) | | RS=3x+1 | | 7x+5=5(x+7) | | 8x-27=3 | | 2x*x-=9 | | 3x^2+6x=0.33 | | -x^2-5x+9=-x-6 | | 3/10x100 | | 3c+5=26 | | k-12/2=-7 | | -x^2-6x+15=0 | | 6y=6x | | t=t+12 | | 6(a-1)=114 | | 2x+0=144 | | -1(n+2)=3 | | -3e=-3e+2 | | 180=13y+100+3y | | 4(n-6)=20 | | 2z+5=30+5z-2 | | 197=146-u | | -6(7+x)=-108 | | s^4-s^3-14s^2-18s-8=0 | | x+2y+90+2x+2y=180 | | 7(8+x)=-14 | | -10(x-7)=200 | | 6/3x4/2= | | -10(4+v)=-120 |

Equations solver categories