r-1=-8

Simple and best practice solution for r-1=-8 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-1=-8 equation: 


Simplifying
r + -1 = -8

Reorder the terms:
-1 + r = -8

Solving
-1 + r = -8

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + r = -8 + 1

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

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

Simplifying
r = -7

See similar equations:

| 3cos^2x-2sinx-2=0 | | 16=-7x+3x | | 7x+38=2(x-6) | | -4x+8y=-8 | | 4-2n+2n=7 | | X+(21-x)=21 | | 4x+5-3=x+38 | | k+7-7k=-5 | | 12(b+2)=3(2y-7) | | (x+11)2=121 | | (24-y)-y=6 | | 7x-2y=35 | | -175=7(-4+7x) | | 8378=374-fj | | 20t+3= | | 6(-3-10x)= | | (3n-47)=180 | | -192=-4(6+7x) | | 7(3-x)-1=9x+4 | | 3.8q-5.6-5.1q=-2.3q-4.6 | | (x+3)-2=5 | | 3t+20= | | 4(6+7a)=-88 | | -6+2x=30 | | 9+5w-14w=12w-6 | | X^2-33x+32=0 | | -379=-5(8r+7)-3r | | 3x+4=7x-7 | | 3(-5+3b)=-87 | | 49+5y-20=17y-11-4y | | .4-19=1.2x-23 | | X^2+40x+39=0 |

Equations solver categories