7r-27=-30+8r

Simple and best practice solution for 7r-27=-30+8r 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 7r-27=-30+8r equation:


Simplifying
7r + -27 = -30 + 8r

Reorder the terms:
-27 + 7r = -30 + 8r

Solving
-27 + 7r = -30 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-27 + 7r + -8r = -30 + 8r + -8r

Combine like terms: 7r + -8r = -1r
-27 + -1r = -30 + 8r + -8r

Combine like terms: 8r + -8r = 0
-27 + -1r = -30 + 0
-27 + -1r = -30

Add '27' to each side of the equation.
-27 + 27 + -1r = -30 + 27

Combine like terms: -27 + 27 = 0
0 + -1r = -30 + 27
-1r = -30 + 27

Combine like terms: -30 + 27 = -3
-1r = -3

Divide each side by '-1'.
r = 3

Simplifying
r = 3

See similar equations:

| 1+7a=22 | | -5b-4=-9 | | 5t+2=57 | | 3d+1=19 | | -2+6n=34 | | 7b+6=34 | | 4d+4=28 | | 6(3x-5)=3(6x+4) | | X*(1+0.04/8)^8-1=36000 | | -6k+6=12 | | 4+6w=-32 | | 6b-1=71 | | 2b+3=15 | | .3y+.9=.1-.1y | | -5d+8=-12 | | 6m+10=-20 | | 9+2n=33 | | y=-2x^2-16x-30 | | -10+5w=35 | | 30=-9b-13 | | 7-5x=57 | | 5w+10=35 | | -4-2a=-14 | | -5+3t=-23 | | 2(3+3x)-2=34 | | 5a+8=48 | | -6x-9=51 | | 6+3a=9 | | 6a+3=27 | | (x-a)(x-b)=c | | 15/12-11/6x=-11/2 | | 200+3x=7x |

Equations solver categories