-21=-3y

Simple and best practice solution for -21=-3y 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=-3y equation:


Simplifying
-21 = -3y

Solving
-21 = -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-21 + 3y = -3y + 3y

Combine like terms: -3y + 3y = 0
-21 + 3y = 0

Add '21' to each side of the equation.
-21 + 21 + 3y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 3y = 0 + 21
3y = 0 + 21

Combine like terms: 0 + 21 = 21
3y = 21

Divide each side by '3'.
y = 7

Simplifying
y = 7

See similar equations:

| 2*3.14*what=47.1 | | 67y=22(3y+13) | | -49=-7x+2(6x+3) | | -1=(2x-3)/(x-6) | | -4-4x=29-5 | | y=(f-d)x+3 | | 3/5x-1/10x=12 | | 35×1/2 | | 1/3(17)(15)(20)=x | | 2-7ab+3a^2b=0 | | w/6=-24 | | 1/3(17)(15)(20)= | | 10x+2x=14+x | | (5x-7)(3x+4)= | | 3x*(x+5)= | | 5x^2-90x+400=0 | | (13b-4)-3(4b+3)=-7 | | 3y=-5x-15 | | -3=-14u | | 3x^2-4x-72=0 | | 5p+5.95=88.20 | | 0.4x-1.2=2.6forx | | 25x+8-28x=4-5 | | 52=-m/6 | | 256+vt-s=0forv | | 7k^2+18=14k | | 5x-1/2x=5 | | x+.6x=14 | | 0.885t^2-0.934t+1.718=0 | | 6(x-4)/3 | | 4/15=y/10 | | 7(2p-1)=10-3p |

Equations solver categories