21+2u=55

Simple and best practice solution for 21+2u=55 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 21+2u=55 equation: 


Simplifying
21 + 2u = 55

Solving
21 + 2u = 55

Solving for variable 'u'.

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

Add '-21' to each side of the equation.
21 + -21 + 2u = 55 + -21

Combine like terms: 21 + -21 = 0
0 + 2u = 55 + -21
2u = 55 + -21

Combine like terms: 55 + -21 = 34
2u = 34

Divide each side by '2'.
u = 17

Simplifying
u = 17

See similar equations:

| 4(r-2)-3(r-1)=2(r+4) | | -a(a+5)=0 | | 6y-11=33 | | 632.70=38(x+2.65) | | Y=-10-2.2x | | 12(Y-2)=132 | | 4(6x+2)+6(x+6)=-8 | | .5x+.2y=3.45 | | 1.5+x=8.1 | | 66=6(m+2.2) | | 11=113-6t | | x=6-6x | | -8p+5+9p=12 | | 4(x+5)-9(2x-8)=12 | | 5535=45(p+40) | | 40=3s-4b | | X=12(4)+5 | | -4X^2=-9X+15 | | y=-3(-6x+9) | | -4(k-6)=4 | | 6t-15+4t=4t+12 | | 5n-4=186 | | 0=x*2-50x+225 | | 29g-29g= | | -9p-3=-5-8p | | 7+4x^2=8 | | 279-c=60 | | 77=7(c+6) | | 8(z-5)=24 | | 16x^2-27=37 | | 6x^2+17x+7=1 | | 5(2x-4)-7x= |

Equations solver categories