-31=-7u+2(u-8)

Simple and best practice solution for -31=-7u+2(u-8) 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 -31=-7u+2(u-8) equation:


Simplifying
-31 = -7u + 2(u + -8)

Reorder the terms:
-31 = -7u + 2(-8 + u)
-31 = -7u + (-8 * 2 + u * 2)
-31 = -7u + (-16 + 2u)

Reorder the terms:
-31 = -16 + -7u + 2u

Combine like terms: -7u + 2u = -5u
-31 = -16 + -5u

Solving
-31 = -16 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
-31 + 5u = -16 + -5u + 5u

Combine like terms: -5u + 5u = 0
-31 + 5u = -16 + 0
-31 + 5u = -16

Add '31' to each side of the equation.
-31 + 31 + 5u = -16 + 31

Combine like terms: -31 + 31 = 0
0 + 5u = -16 + 31
5u = -16 + 31

Combine like terms: -16 + 31 = 15
5u = 15

Divide each side by '5'.
u = 3

Simplifying
u = 3

See similar equations:

| 3a-4+9d-2=5a+22 | | 6x+18=6(x-3) | | 3x+6-11x= | | -9-8=-4(d+2)-5d | | 3+5x=30x | | y-2=3(y+6) | | 5x-5+18= | | -2=4(w+4)-7w | | -4x+11x+8-8x+40=13-3x-4x-6-1 | | -2(4x+7)=8+3(3x-5) | | 9(4y-1)=2(9y+3) | | 4(3m-4)=2(6m+8) | | 2x+30-11x-7=10-7x+10x+1 | | y=19*3+3 | | 10x=45+15 | | 17-8x=5x+4 | | n+n^2=12 | | y=0*3+3 | | -10+2x=15-3x | | 10x+15y=1825 | | y=-8*3+3 | | 13-9x=11x+53 | | 24x^3+81=0 | | 8x=8-16xz | | 25+11x=3x-39 | | x^3y^2+x^2y-20x= | | 5x+35+2=2x+11 | | 5x^3-9x^2+7x-18=0 | | 14+7x=9x | | -z^2+37z-36= | | 15n^2-27n-6=7n^2+5n-30 | | 112-44m+4m^2= |

Equations solver categories