3u-9+3(4u+2)=-3(u+4)

Simple and best practice solution for 3u-9+3(4u+2)=-3(u+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 3u-9+3(4u+2)=-3(u+4) equation:


Simplifying
3u + -9 + 3(4u + 2) = -3(u + 4)

Reorder the terms:
3u + -9 + 3(2 + 4u) = -3(u + 4)
3u + -9 + (2 * 3 + 4u * 3) = -3(u + 4)
3u + -9 + (6 + 12u) = -3(u + 4)

Reorder the terms:
-9 + 6 + 3u + 12u = -3(u + 4)

Combine like terms: -9 + 6 = -3
-3 + 3u + 12u = -3(u + 4)

Combine like terms: 3u + 12u = 15u
-3 + 15u = -3(u + 4)

Reorder the terms:
-3 + 15u = -3(4 + u)
-3 + 15u = (4 * -3 + u * -3)
-3 + 15u = (-12 + -3u)

Solving
-3 + 15u = -12 + -3u

Solving for variable 'u'.

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

Add '3u' to each side of the equation.
-3 + 15u + 3u = -12 + -3u + 3u

Combine like terms: 15u + 3u = 18u
-3 + 18u = -12 + -3u + 3u

Combine like terms: -3u + 3u = 0
-3 + 18u = -12 + 0
-3 + 18u = -12

Add '3' to each side of the equation.
-3 + 3 + 18u = -12 + 3

Combine like terms: -3 + 3 = 0
0 + 18u = -12 + 3
18u = -12 + 3

Combine like terms: -12 + 3 = -9
18u = -9

Divide each side by '18'.
u = -0.5

Simplifying
u = -0.5

See similar equations:

| 0=0.7x+3 | | 0=0.7x | | n^2+n=10.5 | | 2(y+4)=-2(8y-7)+2y | | 4x^2-32y+4x-63=0 | | 4cos^2x+cos(x)=0 | | Y=3x+1200 | | 9+21lnx=2 | | 0.05/x=2 | | .7x-1.5=1.3 | | 8+2(4x-6)=-2(7x-3)+4x | | -2x+5+6x=2(2x-4) | | 7x^2+3x-42=0 | | 0=-2x-1.5 | | -3(2x-1)=4+6x-2 | | 8x(x-5)=(2x+7)(x-5) | | x^4+20x^2+16x-1=0 | | 6-4x+3x=12 | | 6m-7-4m-16=-16 | | x^2+20x^2+16x-1=0 | | -3x+4-1x=5x-5 | | -6=5-3a | | (y-x)dx-(y+x)dy=0 | | m/7=3/35 | | 6logx+3=11-logx | | (5n+16)+(5n+10)=180 | | -30x+6k-6(4x-6)= | | (2-z)(3z+8)=0 | | y=4x+43 | | 9(x-5)=6(x+5) | | 8x+64=36 | | 10x-19=y+15 |

Equations solver categories