-66=7(r-7)+4

Simple and best practice solution for -66=7(r-7)+4 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 -66=7(r-7)+4 equation: 



-66=7(r-7)+4

We move all terms to the left:

-66-(7(r-7)+4)=0



We calculate terms in parentheses: -(7(r-7)+4), so:

7(r-7)+4

We multiply parentheses

7r-49+4

We add all the numbers together, and all the variables

7r-45

Back to the equation:

-(7r-45)



We get rid of parentheses

-7r+45-66=0

We add all the numbers together, and all the variables

-7r-21=0

We move all terms containing r to the left, all other terms to the right

-7r=21

r=21/-7

r=-3

See similar equations:

| 40+10d=328-6d | | 4a-9=15-2a | | -4(2x+3)=5x+14 | | -10=-x/2 | | 47=w-(-8)= | | 18m=324 | | 3•(2x+3)=45 | | 5=a/3+7 | | -1=2(d-6)-7 | | 11m=-12+5m | | 12-2h=36 | | x–10.5=–11.6. | | 8x-3(2x=7)=-19 | | 4d-9d=5(3-4d) | | c-(-3)=100= | | 11r-5r-5r+3=9 | | -74+2x=2x+74 | | 4x-15=7x-15 | | 2y+3=3(y+7)=19 | | -2/3p-4=-16 | | 6n-11=55 | | 2=6d-10 | | x^2+4x=53=0 | | y+5/3=-4 | | 11=-16+y= | | -7r+20r-4r+10=-17 | | 2x+20=31 | | 14.25x=28 | | 3x+2x+3=-1 | | 62=12+.5m | | 30=2/3n | | -2(2x-6)=16 |

Equations solver categories