13=21-w

Simple and best practice solution for 13=21-w 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 13=21-w equation:


Simplifying
13 = 21 + -1w

Solving
13 = 21 + -1w

Solving for variable 'w'.

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

Add 'w' to each side of the equation.
13 + w = 21 + -1w + w

Combine like terms: -1w + w = 0
13 + w = 21 + 0
13 + w = 21

Add '-13' to each side of the equation.
13 + -13 + w = 21 + -13

Combine like terms: 13 + -13 = 0
0 + w = 21 + -13
w = 21 + -13

Combine like terms: 21 + -13 = 8
w = 8

Simplifying
w = 8

See similar equations:

| 5u+13=48 | | -2+2w=-6 | | 3x+2y=221 | | 8x+4=7x+4 | | y=3.9-2.2x | | 10x+10y-2=0 | | 8=8m+-64 | | 64=4+16 | | 5-7(x-1)=5(2x-1) | | 4x+2(x+2)-3(x+1)=52 | | (x/10)-(7/4)=3x-(2x/5) | | -6/5x=-3 | | -2(2b+3)+(5b-1)=0 | | 42=9b+-9 | | 66.666*0.3=n | | 7x+2=107 | | -2(k+6)+3k=-1 | | 5x+14-2x=9-(6x+3) | | 66.666*0.3= | | (625/256)^(5x-1)=1 | | (5y+8)-(7+4y)=4 | | -x+37=156 | | 5y-2(2-y)=24 | | 5(-2)3= | | 41=-y+257 | | 2.5y-5=1.5y-5 | | y+2+7y-3=5 | | 38x-49+2(3x-1)=7x-8 | | (5+6)8= | | X/10-7/4=3x-2x/5 | | 7-10x=-23 | | 7(9+3)= |

Equations solver categories