-81=9(4-x)

Simple and best practice solution for -81=9(4-x) 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 -81=9(4-x) equation: 



-81=9(4-x)

We move all terms to the left:

-81-(9(4-x))=0

We add all the numbers together, and all the variables

-(9(-1x+4))-81=0



We calculate terms in parentheses: -(9(-1x+4)), so:

9(-1x+4)

We multiply parentheses

-9x+36

Back to the equation:

-(-9x+36)



We get rid of parentheses

9x-36-81=0

We add all the numbers together, and all the variables

9x-117=0

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

9x=117

x=117/9

x=13

See similar equations:

| 2p^2+17p+41=0 | | 3-5n+2n=7-52 | | 3(5x+9)=-45+12 | | 105.50=7.25+5.50f | | 7x+2(-4x+15)=24 | | 1.3-0.7y=9.34 | | 4(4v-9)-(3v-11)=-52 | | 4x-8=x-4+2x+5 | | 3(x-21)=9x | | -31+18y+7=4(5y-2)-6 | | 6k^2-29k+28=-7 | | -4(3y+3)=-96 | | 0.5x^2+0.5x+1.2=0 | | (19)(x)=54 | | -43=5(2c+9)-3(c+8) | | k-4=6+3k | | 5x2−30x+40=0 | | 2=1.25^x | | 2(5x+6)=16+24 | | 6w-81=3w | | 2x+1=4+6x | | 19k+k-16k=20 | | 2x+Y=378 | | 10x+15=3x+43 | | 7x+2=5x−16 | | 25x+-21=0 | | -7x=-4.9 | | 180=3x+43+68 | | -16h+-8h+-17h+18h-(-16)=-7 | | 180=3x+2+73 | | 10x-10=500 | | 180=3x+48+66 |

Equations solver categories