3u+7-4(-2u-2)=3(u-1)

Simple and best practice solution for 3u+7-4(-2u-2)=3(u-1) 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+7-4(-2u-2)=3(u-1) equation: 


Simplifying
3u + 7 + -4(-2u + -2) = 3(u + -1)

Reorder the terms:
3u + 7 + -4(-2 + -2u) = 3(u + -1)
3u + 7 + (-2 * -4 + -2u * -4) = 3(u + -1)
3u + 7 + (8 + 8u) = 3(u + -1)

Reorder the terms:
7 + 8 + 3u + 8u = 3(u + -1)

Combine like terms: 7 + 8 = 15
15 + 3u + 8u = 3(u + -1)

Combine like terms: 3u + 8u = 11u
15 + 11u = 3(u + -1)

Reorder the terms:
15 + 11u = 3(-1 + u)
15 + 11u = (-1 * 3 + u * 3)
15 + 11u = (-3 + 3u)

Solving
15 + 11u = -3 + 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.
15 + 11u + -3u = -3 + 3u + -3u

Combine like terms: 11u + -3u = 8u
15 + 8u = -3 + 3u + -3u

Combine like terms: 3u + -3u = 0
15 + 8u = -3 + 0
15 + 8u = -3

Add '-15' to each side of the equation.
15 + -15 + 8u = -3 + -15

Combine like terms: 15 + -15 = 0
0 + 8u = -3 + -15
8u = -3 + -15

Combine like terms: -3 + -15 = -18
8u = -18

Divide each side by '8'.
u = -2.25

Simplifying
u = -2.25

See similar equations:

| -21-8a=-1+6(4-5) | | -6x-1/4 | | x/6-5=x/2 | | x/5-5=x/5 | | 15x+7=x | | 23/3= | | 2(5x-8)=22(x-2) | | -7-7a=-7(1-6a)+5a | | 9x+2y-5y+3-8y= | | -7+-15+-9= | | -9-8x=3x+7(-3x+3) | | 10x(2x+9)=-3(15-4x) | | -13+-9+-12= | | -13+-1+-9= | | -7n+6(1-6n)=6+5n | | 3b^2+b=12+2b^2 | | 6.37/97.37 | | -7-2(p-1)=11 | | Ln(x)+ln(x-8)=ln(20) | | 7x=14x-140 | | 33/42= | | 5=13/6x | | 246=-6(-5x-1) | | 5=31/15x | | 2x*6x-10=48 | | 0=-16t^2+60t+40 | | x-35=3 | | 4-3x+4x=-3 | | 30x+8=18x+12 | | 5=15/7x | | 5x+x+32=180 | | 5=11/5x |

Equations solver categories