21=y*3

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


Simplifying
21 = y * 3

Reorder the terms for easier multiplication:
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:

| 18=y*6 | | 2t-19+2t-16+2t-17=180 | | 6=6*y | | bx-3=ax+7b | | 1.58*4.291= | | 6=6xy | | 12x=3462873 | | x^2+y^2+2x+y-16=0 | | 4.291*1.58= | | 45b^2+20b=0 | | 189=21m | | -8+3x=-32x+24x | | 13=52/q | | 9z-47+14z-4+5z-12=180 | | -8+3x=-3x+24x | | 4/5x-10=-6 | | 6y-2=6x-3 | | -8=3u-2 | | 2(4x+3)=6x+3 | | X*5+144=x*13-8 | | 3x+1=2x+38 | | 64=97 | | 56+10x-x^2=0 | | 1920*x=1234 | | -10x+y=65 | | (-27)^-(1/3) | | 2z-49+z-8+2z-38=180 | | 12g=12(.6g-1)+11 | | 600x=800x-45 | | 12p-14=9p+17 | | 3z/7-7=9 | | 3c-3=8c+2 |

Equations solver categories