7(u+3)=42

Simple and best practice solution for 7(u+3)=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 7(u+3)=42 equation: 



7(u+3)=42

We move all terms to the left:

7(u+3)-(42)=0

We multiply parentheses

7u+21-42=0

We add all the numbers together, and all the variables

7u-21=0

We move all terms containing u to the left, all other terms to the right

7u=21

u=21/7

u=3

See similar equations:

| 7(u+5)=42 | | (1/2*x)+(x)+(x-5)=100 | | (1/2*x)+(x)+(x+5)=100 | | 1/2x+x+x+3=100 | | (1/2*x)+(x)+(x+3)=100 | | t^2-34t+120=0 | | 6-20=5x | | (1/2x)+x+(x+3)=100 | | 12/(12-8)=a | | 7(b-3)=7b-21 | | t=-16T^2+6T+4 | | 8-2^4x=2 | | 0.4x+5=7-0.6x | | -x=-15-37 | | -4x=2x-672 | | 5(3x-3)+9=39 | | -4x=2×-672 | | x+(x*0.1)=10400 | | 2x=5x+369 | | -3x+11x=-560 | | -2x-5x=357 | | 5y=9=13 | | 4x+4x=648 | | -9x=729-369 | | 8x-13x=98-133 | | 4x=-90+54 | | 3x+5x=192 | | -4x=-372 | | 8x=-432 | | 30x+20=22x+44 | | 4-3x=147 | | 5x=524 |

Equations solver categories