40-7r=8r-7(r-8)

Simple and best practice solution for 40-7r=8r-7(r-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 40-7r=8r-7(r-8) equation: 



40-7r=8r-7(r-8)

We move all terms to the left:

40-7r-(8r-7(r-8))=0



We calculate terms in parentheses: -(8r-7(r-8)), so:

8r-7(r-8)

We multiply parentheses

8r-7r+56

We add all the numbers together, and all the variables

r+56

Back to the equation:

-(r+56)



We get rid of parentheses

-7r-r-56+40=0

We add all the numbers together, and all the variables

-8r-16=0

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

-8r=16

r=16/-8

r=-2

See similar equations:

| -4(x-5)-6=-10-8x | | 4(-2x+1)=-8x+4 | | 1/4+32=x+11 | | -25=y+71 | | 96-4y=8y | | 3/4x+2=9 | | x-15/21=2+6/7 | | 4x−6=x+15 | | 6(2-3a)=132 | | 92=4x+7x+4 | | -2b-5(3b-3)=-25-7b | | 6(2y-3)=36 | | 7(-7-2x)=-3x+6 | | 2(-3x+1)=-6x+2 | | 4-3(r+1)=2(r-1+11 | | -18=5{2-x}+12 | | 36(36-3x)=108 | | 1.5x+-6=60+-48x | | 3x^2+24x=-160 | | −8x=64 | | 2(1-3x)=-5x | | 0.25z=1.25 | | 3(5x+7)=-35+11 | | 2(6+6b)=11+12b | | -8x+19x+-18x+-14=-7 | | x^2+19.x+90=0 | | x+51=x+59=89 | | y=7375/13 | | 8+6x-3x=x-2+4 | | 1x-2+105=180 | | x^2-19.x-90=0 | | 1.9=5.4-0.5x |

Equations solver categories