-y+21=2y-3

Simple and best practice solution for -y+21=2y-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 -y+21=2y-3 equation:


Simplifying
-1y + 21 = 2y + -3

Reorder the terms:
21 + -1y = 2y + -3

Reorder the terms:
21 + -1y = -3 + 2y

Solving
21 + -1y = -3 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
21 + -1y + -2y = -3 + 2y + -2y

Combine like terms: -1y + -2y = -3y
21 + -3y = -3 + 2y + -2y

Combine like terms: 2y + -2y = 0
21 + -3y = -3 + 0
21 + -3y = -3

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

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

Combine like terms: -3 + -21 = -24
-3y = -24

Divide each side by '-3'.
y = 8

Simplifying
y = 8

See similar equations:

| -5x-9y=-16 | | 17-y=3 | | ×/4=-120 | | 7h=7.79 | | 10(w-4)=180 | | a+36=85 | | -4x+3x=12+13x | | 9+3=2y+7 | | 92=q+47 | | 6x-(x+7)=18 | | 18x+90=-20(1+2x) | | 9x+17y=6 | | 6x+20+6x+20+4x+10+4x+10=360 | | 24÷3/5=x | | 6x+20+6x+20+4x+10+4x+10=180 | | 37x=12x+4 | | 24÷3/5= | | 2[x+4]=2[-8-x]-3x | | 25x+36=114 | | 24÷3/5 | | 4073-2869= | | 4v+4(-5-3v)=-68 | | 3x+xy=9fory | | N=2.56x+7.49 | | 6c+14=4-4c | | 100*0.3+100*0.7*(1+x)=100*(1+0.7)*0.90+100*(1+0.7)*0.10*(1+x) | | 1=6x-3 | | -(2x-8y-3)= | | 9=3x^2-2x-7 | | 100*0.6+100*0.4*(1+x)=100*(1+0.3)*0.90+100*(1+0.3)*0.10*(1+x) | | 2(z-2)+8=34 | | 5x-10=-2x+2 |

Equations solver categories