-80=-5(1-5r)

Simple and best practice solution for -80=-5(1-5r) 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 -80=-5(1-5r) equation:


Simplifying
-80 = -5(1 + -5r)
-80 = (1 * -5 + -5r * -5)
-80 = (-5 + 25r)

Solving
-80 = -5 + 25r

Solving for variable 'r'.

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

Add '-25r' to each side of the equation.
-80 + -25r = -5 + 25r + -25r

Combine like terms: 25r + -25r = 0
-80 + -25r = -5 + 0
-80 + -25r = -5

Add '80' to each side of the equation.
-80 + 80 + -25r = -5 + 80

Combine like terms: -80 + 80 = 0
0 + -25r = -5 + 80
-25r = -5 + 80

Combine like terms: -5 + 80 = 75
-25r = 75

Divide each side by '-25'.
r = -3

Simplifying
r = -3

See similar equations:

| 20n+100=10n+140 | | Y+6.2*-4=-13 | | 1.5x+4.5=10.5 | | 0.5-1.7=0.3x-1 | | 4(8-7b)=108 | | 20n+100=10n+100 | | 15x+45=24x+90 | | -7(x-5)=91 | | 6x+-8x+3=40-2x | | Y+6.2x=-13 | | 6=m-2+6 | | 1.6x+4.8=0.6x+6.8 | | 7y-1=27 | | 30n+70=20n+100 | | 3x+6=9x+24 | | -7v^2-13v=8-9v-11v^2 | | 28+2.2y=11.6y+262.6 | | 3x-6+108=180 | | -198=10n+2 | | A+b=c+d | | 6x-8x+3=40-2x | | 1x=.2(x+2) | | 9y-4/5=7y+2/4 | | 10x+30=8x+4 | | d=34t | | y-3x=4y | | 6n+16=2n+32 | | 1-10/7x-8/4=0 | | d=34(6) | | (x/2)-1/3=(x/3)-1/2 | | 2(n*3)=4n+1 | | -18=2(-10+x) |

Equations solver categories