-7+2u=-21

Simple and best practice solution for -7+2u=-21 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+2u=-21 equation:


Simplifying
-7 + 2u = -21

Solving
-7 + 2u = -21

Solving for variable 'u'.

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

Add '7' to each side of the equation.
-7 + 7 + 2u = -21 + 7

Combine like terms: -7 + 7 = 0
0 + 2u = -21 + 7
2u = -21 + 7

Combine like terms: -21 + 7 = -14
2u = -14

Divide each side by '2'.
u = -7

Simplifying
u = -7

See similar equations:

| x^2-y^2+2x+4y-12=0 | | 1+n=7-5n | | 4(w+2)=-2w+38 | | 93-6x=39x+18 | | 5y-2x+y^3-x^2y=0 | | 17h-17-h=13+h | | 6x^2+4x+8=0 | | x^3-2x^2+5x-10=0 | | 6m-3=-15+2m | | d-7d+1=25 | | 2k-1=2+k | | 6x-(2x+5)= | | 7+3a=5+5a | | 2y+5x+x^4-x^3y^2=0 | | 4r+4r=6+5r | | x=y-15 | | x^2+2x-37= | | 8p+7-p=49 | | 21-8y=-y | | 2*z=14 | | 10x+3-2x=43 | | 2(3x+5)=7(2x-10) | | y+11= | | -5(3)+3= | | 44=p-15 | | -5x+3= | | 3-a+1=7a | | x^2-10+y^2=21 | | 1.2x+.1=1.7 | | X(x+2)=-6(x+4) | | z+z+z+z=z-51 | | (9x+4)-(4x+8)= |

Equations solver categories