81=-3(x+7)

Simple and best practice solution for 81=-3(x+7) 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=-3(x+7) equation: 



81=-3(x+7)

We move all terms to the left:

81-(-3(x+7))=0



We calculate terms in parentheses: -(-3(x+7)), so:

-3(x+7)

We multiply parentheses

-3x-21

Back to the equation:

-(-3x-21)



We get rid of parentheses

3x+21+81=0

We add all the numbers together, and all the variables

3x+102=0

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

3x=-102

x=-102/3

x=-34

See similar equations:

| 26.50+0.15c=14.50+0.25 | | -4x2+1=0 | | 2(h-5)=8 | | -4*k-(-4-3k)=-3k-2k-(3-6k0+1 | | 2x+6/4=4 | | 2x+1.5(-0.75)=20 | | 19.7.8s=499.2 | | (3x+3)+(4x-5)=180,x | | 90=5(x-5) | | 7/4x=1/4x-6 | | 2/5+x=7/10 | | n+3/10=3/5 | | 100=-25(x+1) | | n-16=28 | | 4x2-3x+1=0 | | 5/11×x=55 | | 2x-4+2x-6+x-3=3x-11+x-3 | | 3x^2+2x=-7x | | -8(2+x)=-64 | | 3x^2-x=-6x+4 | | 2n=28-8 | | x+2=-4+7 | | 54+15m=159 | | 7.2x+1.92=-9x+12 | | -8(2+x)=64 | | 1.25d=6.25 | | 5y-5=2y | | 4w=15-5 | | 3x2-5x-2=0 | | 3(7+x^2);x=2 | | 22n-72=324 | | Y-11x-10=0 |

Equations solver categories