7y+21=3y-7

Simple and best practice solution for 7y+21=3y-7 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 7y+21=3y-7 equation: 



7y+21=3y-7

We move all terms to the left:

7y+21-(3y-7)=0

We get rid of parentheses

7y-3y+7+21=0

We add all the numbers together, and all the variables

4y+28=0

We move all terms containing y to the left, all other terms to the right

4y=-28

y=-28/4

y=-7

See similar equations:

| (5x−7)+(3x−8)+(4x+10)+(2x+1)=360º(5x−7)+(3x−8)+(4x+10)+(2x+1)=360º | | 4(3n+2)=5n+10 | | -4d-12=-24 | | -5y-10=-65 | | -7f-15=-64 | | 7a/6=4 | | 7(d-7)-5=65 | | 2(g+6)+6=34 | | x-7(x+1)= | | 3^2x/2×3^x+1=162 | | 7d/10=10 | | 3(a+2)=25 | | 9e=36 | | 2+3x=60,x=20 | | 2+3x=60 | | -22=-85d | | 3-d=2 | | 3j=1/6 | | 7-4x=5x+6 | | (2+2l)=(2-2l) | | X+13=6x-17 | | X+13=6x+17 | | 3x+8=2x-5+2x+8 | | 25x+15=80 | | 31/2t+3=5 | | 5(S+7)=4a | | f+28=51 | | 31/2x+3=5 | | 31/2x=6 | | 6(m+2)-21=9 | | -3u+-1=12 | | 7r+5=9-r |

Equations solver categories