1/2(5-y)=21

Simple and best practice solution for 1/2(5-y)=21 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 1/2(5-y)=21 equation: 



1/2(5-y)=21

We move all terms to the left:

1/2(5-y)-(21)=0



Domain of the equation: 2(5-y)!=0

y∈R



We add all the numbers together, and all the variables

1/2(-1y+5)-21=0

We multiply all the terms by the denominator


-21*2(-1y+5)+1=0

Wy multiply elements

-42y(-+1=0

We use the square of the difference formula

-42y(-1=0

See similar equations:

| X-7+x=7x+1-2x | | 9d-4=10d | | 5/2=9/4r | | -3r+10=-5r | | 13n+6n=67 | | -7j+8+7=-5-9j | | 5(1+4x)=-3(3-2x) | | 3x+17x-3=5(4x+7) | | -3/4x+3=-12 | | (x+9)-(4x+5)-6x=76 | | 57=12-5y | | 7-3=r=r-4(2+r) | | -5c-10=-3c+8 | | 5(2n-2)=-3(7-3n) | | 4(2x-7)=10 | | 2(6v+2)=-20 | | 5+3x-2=4x-(-8)-5x | | 6c-2=5c-1 | | 3x-7+2x+5=18 | | (4x-3)(3x+2)=5x+1 | | -5-6v=-4-5v | | 7x-12=3x+4x+8=20 | | 83+(4x+1)=180 | | 8s-7=7s | | 4(x+7)=7(x+3) | | 9+5k=6k | | 2x^2-12+15x-x^2=64 | | 5x+20x-4=5(5x+4) | | 6-7x=-7x+2 | | 5x4=+4 | | f(5)=2(5)-7 | | 3n-7=8-13n |

Equations solver categories