3(u+8)=9u+42

Simple and best practice solution for 3(u+8)=9u+42 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 3(u+8)=9u+42 equation:


Simplifying
3(u + 8) = 9u + 42

Reorder the terms:
3(8 + u) = 9u + 42
(8 * 3 + u * 3) = 9u + 42
(24 + 3u) = 9u + 42

Reorder the terms:
24 + 3u = 42 + 9u

Solving
24 + 3u = 42 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
24 + 3u + -9u = 42 + 9u + -9u

Combine like terms: 3u + -9u = -6u
24 + -6u = 42 + 9u + -9u

Combine like terms: 9u + -9u = 0
24 + -6u = 42 + 0
24 + -6u = 42

Add '-24' to each side of the equation.
24 + -24 + -6u = 42 + -24

Combine like terms: 24 + -24 = 0
0 + -6u = 42 + -24
-6u = 42 + -24

Combine like terms: 42 + -24 = 18
-6u = 18

Divide each side by '-6'.
u = -3

Simplifying
u = -3

See similar equations:

| .30x=x-100 | | 10/3=x/5 | | .50(.75k-6)=.625(k+4)-.25k | | 17+14+19d=12d-18 | | 3=3(-10+b) | | -w+20=-20+19w | | 4/x=7/3 | | log(7)(x-2)+log(7)(x+4)=2log(7)(4) | | 18+2.50x=11+3.75x | | 6n+5=-23 | | -3g=3g+18 | | 4x-(-7)-8(28/8)=0 | | y=30-4.25x | | (5x^2-3x-5)(6x^2+x+6)= | | 2log(6)4-1/3log(6)8=log(6)x | | -4p=-5p-3 | | 3e=3/ | | X^2+16x+128=x^2+128 | | m+8=-10-2m-9 | | y+10=2x+5 | | 29=-6+7x | | 4x-8(-28/8)=0 | | p=7/12=3 | | 5x+8y=-40 | | 12p^2+31p+20=0 | | 5b=6+6b | | (2*(15/8))/(1-(15/8)^2) | | p=/12=3 | | 5-[6-2-(1-8)-3+6]+5= | | -5h+8=-8h-7 | | 210/v=14 | | 10-3j=-10-j |

Equations solver categories