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 = 0

Solving
21 + 3y = 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 + 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:

| -x=-2-12-2 | | 5+2x/12 | | 3ab+6a+6b=12 | | 3ab+6a+6b=13 | | 4x+6y=200 | | x-2+x+2=100 | | -6x=4-8 | | 3h=-3 | | g+6=5 | | 6c=48 | | 30-(2x+1)=-13 | | 5x+18=53 | | 27-(36-y)y=12 | | 13-4zy=12 | | 5n+10n=16 | | 4(x+2)=7x-1 | | 5x+8=1,5x-7 | | 5x+8=1.5x-7 | | 10-1*x=1+0.5*x+1 | | 5-2x=17-6x | | (56/5)x=(-25/2)-((23/5)*(-3/2)) | | 7+x/3=1 | | (-1/28)x=(3/56) | | (2x+2)(2x-2)= | | 4(3a+5)+2(3a+5)-6(6+3a)= | | (3+2x)-(x+8)=7 | | 3x-5=-x+23 | | 2log(x+2)+logx=log(13x+6) | | x^4-22x^3+6x^2+16x-4=0 | | 9y+5=-4 | | (19b-7)-6(3b+1)=-4 | | 2(2x-3)-5(3x+1)=-110 |

Equations solver categories