21-2y=

Simple and best practice solution for 21-2y= 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 21-2y= equation: 


Simplifying
21 + -2y = 0

Solving
21 + -2y = 0

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + -2y = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -2y = 0 + -21
-2y = 0 + -21

Combine like terms: 0 + -21 = -21
-2y = -21

Divide each side by '-2'.
y = 10.5

Simplifying
y = 10.5

See similar equations:

| 5(A-5)-(3A+3)=5(5A+3)+26 | | 258=24+18f | | -6x+32=0 | | 8x+5(1.324x)=59000 | | 2x+5=4(x+1)-3(x+2) | | 9+1/2x=3y | | -c-8=-9c | | 15+a/6=-21 | | 4-2(-3-13)-8= | | 1/8*12 | | 1.5x=16.5x | | 4x+7=10+6 | | 4x-8=2x+20 | | 1/2x+2x+3+x+6=15 | | -8k=4-7k | | 1.6x-0.6=5.8 | | 3(b-4)=5b+-2 | | 10x+9=10x-1 | | P=(b+c)/5 | | 1-2x+6x=8x+x+4 | | -3a+14=-2a+10 | | 5n^2+n+2=2 | | v=-10-4v | | 2.73=x-4/y | | -3.1+2.3=-7 | | (10/7)+(1/3) | | 3x+3x=5x+4 | | c=4+.99n | | 5/2(r-2)=3/20(r-4) | | x^2+10x+0= | | (10/7)+4(1/3) | | 1-8s=-10s+9 |

Equations solver categories