21=3y+3

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


Simplifying
21 = 3y + 3

Reorder the terms:
21 = 3 + 3y

Solving
21 = 3 + 3y

Solving for variable 'y'.

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

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

Combine like terms: 3y + -3y = 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 = -18
-3y = -18

Divide each side by '-3'.
y = 6

Simplifying
y = 6

See similar equations:

| (b/2)+(3/b) | | H=2/3(a+2b) | | -1/3v+2/5v=1100 | | 45-11x=15+4x | | h(t)=-5t+40t+15 | | A=2vrh | | .45x+.5(4-x)=.10(42) | | 20k+60=10k+90 | | 9(t-2)+5t=7(2t+4)-13 | | -(6+2m)+3(3m-1)= | | 400+2t+3t=1050 | | 4x^2+9x+2=16 | | 14y+6=4y+20 | | 10x-2x=2 | | x/7+5=8 | | 12x-y=10 | | 49x-21x^2=0 | | 8m+5+4m-3=14 | | 9x+30=10x+20 | | 18=15+6(4+x) | | 9x+-30=10x+20 | | 10x^2+9x-14=0 | | n(n-4)=96 | | 8-8x=133-4x | | 7*n-8=55 | | A=h/2(B+b) | | 10n+7=9 | | 3x^3=9x^2 | | 2x+128=12x-12 | | (12/25)/(6/50)=x | | 7/93(m*35)/4=-69 | | 16x^2+9x-30=0 |

Equations solver categories