7(u+9)=84

Simple and best practice solution for 7(u+9)=84 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+9)=84 equation: 


Simplifying
7(u + 9) = 84

Reorder the terms:
7(9 + u) = 84
(9 * 7 + u * 7) = 84
(63 + 7u) = 84

Solving
63 + 7u = 84

Solving for variable 'u'.

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

Add '-63' to each side of the equation.
63 + -63 + 7u = 84 + -63

Combine like terms: 63 + -63 = 0
0 + 7u = 84 + -63
7u = 84 + -63

Combine like terms: 84 + -63 = 21
7u = 21

Divide each side by '7'.
u = 3

Simplifying
u = 3

See similar equations:

| 12t=80+5t | | 9r+3=-69 | | 4x+81=9x-9 | | 5d=-11 | | 10(v+9)=-20 | | vx+-15=-27 | | 2h-8=-21 | | -19(-19)= | | 24=2f+10 | | 10(w+4)=150 | | 3r-43=15 | | 29+9x=5 | | 7+3f=2f | | 56=d+13 | | c+48=53 | | -d-7=-2d | | 7f=-84 | | 2+7y=2y+3 | | 3x-21=24 | | P=8I+2I^2 | | (2x-2)(2x-6)= | | 4x-3=-51 | | 8x+6xy+4x= | | 4x+6+3x+19=8x+12 | | 3x(1+x)+6(x^2-4x)= | | 12-7r=19 | | 2x+3=1x+-1 | | -71=7x-6(x+10) | | 6-9x=87 | | -4-3v=-2v | | -2s=-4-s | | 11x^2y+4x^2y^2-7x^2y= |

Equations solver categories