7y+3y-21=6y+6-2

Simple and best practice solution for 7y+3y-21=6y+6-2 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+3y-21=6y+6-2 equation:


Simplifying
7y + 3y + -21 = 6y + 6 + -2

Reorder the terms:
-21 + 7y + 3y = 6y + 6 + -2

Combine like terms: 7y + 3y = 10y
-21 + 10y = 6y + 6 + -2

Reorder the terms:
-21 + 10y = 6 + -2 + 6y

Combine like terms: 6 + -2 = 4
-21 + 10y = 4 + 6y

Solving
-21 + 10y = 4 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
-21 + 10y + -6y = 4 + 6y + -6y

Combine like terms: 10y + -6y = 4y
-21 + 4y = 4 + 6y + -6y

Combine like terms: 6y + -6y = 0
-21 + 4y = 4 + 0
-21 + 4y = 4

Add '21' to each side of the equation.
-21 + 21 + 4y = 4 + 21

Combine like terms: -21 + 21 = 0
0 + 4y = 4 + 21
4y = 4 + 21

Combine like terms: 4 + 21 = 25
4y = 25

Divide each side by '4'.
y = 6.25

Simplifying
y = 6.25

See similar equations:

| 45x+76-23=43 | | 48+24x=312 | | 4(x-2)=12+4x | | 1/2t^2-4=0 | | 7b=9o | | 4y-7=10y+47 | | 13y/5-7=y/3+1 | | -3(x+4)=-12-2x | | x+4-3x=33 | | 3/2m-1=14/4 | | 5x^2y=13 | | 3+3p=-12 | | x-1=5x | | 4x+16=16x-8 | | 4(1/2+3/4)= | | 8c-4=28 | | 8v+3(-8v+5)=-113 | | 3x+x-24=180 | | 3h-12=9 | | x^2+y^2-10x+6y+27=0 | | 2/5w=1 | | 5m-5=13 | | -2(r+5)=-25 | | -16x+5=35 | | 4a+5=37 | | 6-(4n-9)=5-5n | | 2x+18=2+5x | | 3m^2-1/12=0 | | 2x-11=180 | | 4m+24=39+m | | 4x^2-5y^2=-16 | | x^2+y^2+20x-22y+157=0 |

Equations solver categories