1y+21=9

Simple and best practice solution for 1y+21=9 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 1y+21=9 equation: 


Simplifying
1y + 21 = 9

Reorder the terms:
21 + 1y = 9

Solving
21 + 1y = 9

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 + 1y = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 1y = 9 + -21
1y = 9 + -21

Combine like terms: 9 + -21 = -12
1y = -12

Divide each side by '1'.
y = -12

Simplifying
y = -12

See similar equations:

| 3y+2z=12 | | 3a-9a= | | 200+5x=1414 | | 8x-9y=15 | | 8x+5-(x+3)=x+3(3-2) | | 4y-6x=11 | | 3(45-6)=56 | | 200+8x=1414 | | x/7-5=-4 | | 5a^2-3a-8=0 | | 2x+1=7x-39 | | 8z-5+2z-9= | | -2(8+x)=3x+4 | | 3+6h=12+3h | | 10w-6=24 | | 19p=12 | | 3+6h=12+3hr | | -12h+39=4h-17 | | -19p=12 | | 2x+10=7x-50 | | -8n=16 | | 8z=-36 | | 7n=0 | | 5x+12=2x+3 | | P(x)=x^2-26x+120 | | A=3.14(x^2-20x+100) | | P=(15x+30)-(5x+10) | | 8+6x=x+58 | | 1.5p=-75 | | -8+4(1+5n)=6n-14 | | 7x+10=+6x | | 3x=4x+5 |

Equations solver categories