r+(8+r)=100

Simple and best practice solution for r+(8+r)=100 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 r+(8+r)=100 equation:


Simplifying
r + (8 + r) = 100

Remove parenthesis around (8 + r)
r + 8 + r = 100

Reorder the terms:
8 + r + r = 100

Combine like terms: r + r = 2r
8 + 2r = 100

Solving
8 + 2r = 100

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 2r = 100 + -8

Combine like terms: 8 + -8 = 0
0 + 2r = 100 + -8
2r = 100 + -8

Combine like terms: 100 + -8 = 92
2r = 92

Divide each side by '2'.
r = 46

Simplifying
r = 46

See similar equations:

| x+7.72=19 | | (4x+8-3x)*2=18 | | (4x+8-3x).2=18 | | 1+4n=5+3n | | x+2x+4+(2x+4)/4+1=27 | | 8x(52+12)= | | (25xy^3)(4xy)(x^2y^2)=0 | | 7y=5+3x | | 10x+225=c | | p=2(20)+2(146) | | 19r=67 | | 12(x+2)=4(3x+9)-12 | | -3/4x+3x=1/3x+23/3 | | 3x^2+3xy+2y^2=48 | | -3/4r+3r=1/3r+23/3 | | 18x^3-14x^2+45x-35= | | 6y=-y+7 | | 449/0.42 | | r^2+3-1=0 | | (1/8*y)+22+(3/5*y)=y | | 5x/4=8 | | (x)/(x-1)-(9)/(x-8)=(-8x+1)/(x^2-9x+8) | | 3/z+9/7z | | 2y^2+10y=28 | | 3x=5x-5 | | -(3/2)(24+6x)=9 | | y^2+168-31y=0 | | 3/11x+5/x=1 | | y=5/7x+1 | | 2m/5-m/3 | | 223x+3y=2007 | | 2x=ln(5) |

Equations solver categories