5(8-3r)=85

Simple and best practice solution for 5(8-3r)=85 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 5(8-3r)=85 equation:


Simplifying
5(8 + -3r) = 85
(8 * 5 + -3r * 5) = 85
(40 + -15r) = 85

Solving
40 + -15r = 85

Solving for variable 'r'.

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

Add '-40' to each side of the equation.
40 + -40 + -15r = 85 + -40

Combine like terms: 40 + -40 = 0
0 + -15r = 85 + -40
-15r = 85 + -40

Combine like terms: 85 + -40 = 45
-15r = 45

Divide each side by '-15'.
r = -3

Simplifying
r = -3

See similar equations:

| x/5+8= | | 6.5a-3=1.5a+12 | | 18x-5-7x=25 | | 26=-8v+2(v+7) | | -9x=5x-3 | | a+5a+2= | | -8(-7a-1)-6=226 | | x^2+y^2+2x-8y+18=0 | | 3x^2+6=5x | | 3x+1=5-2x | | -x/10=7 | | 3x+8y+y= | | 5y+2x=2 | | x/5=45 | | 25=z/4 | | x/30=4 | | 284=6(-1+7x)-4 | | x/4=30 | | 2(x-7)=2x+14 | | 4z^4-25=0 | | 7a-6a-5b= | | 2/3-x=4 | | x/17=4 | | -6-3(8x-3)=-9 | | (4x/6)-(x+1/2)=(x+3/4) | | 20p^3q-2p^2q-4pq=0 | | 66/320 | | -x/8=7 | | 9-8x=139-43x | | 2x+5+3x-15=180 | | -4(2y-6)=8y-24 | | 3x+78/6-18=-1 |

Equations solver categories