3u=7[u-8]-12

Simple and best practice solution for 3u=7[u-8]-12 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 3u=7[u-8]-12 equation:


Simplifying
3u = 7[u + -8] + -12

Reorder the terms:
3u = 7[-8 + u] + -12
3u = [-8 * 7 + u * 7] + -12
3u = [-56 + 7u] + -12

Reorder the terms:
3u = -56 + -12 + 7u

Combine like terms: -56 + -12 = -68
3u = -68 + 7u

Solving
3u = -68 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
3u + -7u = -68 + 7u + -7u

Combine like terms: 3u + -7u = -4u
-4u = -68 + 7u + -7u

Combine like terms: 7u + -7u = 0
-4u = -68 + 0
-4u = -68

Divide each side by '-4'.
u = 17

Simplifying
u = 17

See similar equations:

| 10x-9/3x | | 4x^2-300=-150-2x^2 | | sqrt(2x+3)=0 | | 2x^2-(x/2)+6 | | x+x+30=120 | | log(x^2+12)=log(-9x-2) | | u^2+1=2u^2+5u+11 | | 2x^4-30x^3+20x+48=0 | | 2x/3*6 | | 5(6x+1)+4=-39 | | 5x^2-144=144-3x^2 | | (2x)/(x^2-x+12) | | (2x)/(x+1) | | 19s+12=3s | | 9(2n+2)=8(9n+9)+4 | | 12x+15=11x+20 | | 0.9x-6.6=0.6 | | -72x=8 | | 8y+2(y-5)=6(y+1)-3 | | 3m=2[m-5]+12 | | -2(5t-4)+7t=6t-3 | | 8.1=9h | | 9x-(72+26-89x)= | | 16+2x=24 | | 8m=5.6 | | 1/2-x/3=2x/3-3/3 | | 2*3*3= | | 7x-9=6x+4 | | 9ln(6x)=36 | | 6(v+4)-2v=2(2v+1)-5 | | 2y^2-84y=y^2-2y | | 1x+2x+3x=18 |

Equations solver categories