21-7y=-3y

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


Simplifying
21 + -7y = -3y

Solving
21 + -7y = -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 + -7y + 3y = -3y + 3y

Combine like terms: -7y + 3y = -4y
21 + -4y = -3y + 3y

Combine like terms: -3y + 3y = 0
21 + -4y = 0

Add '-21' to each side of the equation.
21 + -21 + -4y = 0 + -21

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

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

Divide each side by '-4'.
y = 5.25

Simplifying
y = 5.25

See similar equations:

| 4x^2-29x+33=0 | | 4(2x-1)=(x+2) | | 5x-2(x-5)=17 | | -5x-24=3x | | c=(3x-1)(2-5x)+(3x+4)x | | 5x+32=90 | | -x^2+18x-60=0 | | u-(c+x)=2 | | x^3-3x^2+6x-4=0 | | 30=2(10-x) | | m=x+n*p | | 4x-2=12x+20 | | 3x+8=2-5x | | .5=3.13x-4.905*(x^2) | | 3y-9=-24 | | .5=3.13x+4.905*(x^2) | | -7+2x=0 | | J=(x+7)(5x-1)-(x+7)x | | x+(x-6)=94 | | 4x+4=70-7x | | 2+x-3-3x-3=0 | | H=3(2x-5)-x(5x+6) | | 142-5x=6+10 | | 8-4x=2-2x | | 8-6x=2x+16 | | 4x^2-27x+41=-3x+6 | | 3x^2-24x+69=0 | | 2x^2+10x+1=17 | | n(n+2)=-192 | | E=7(3-x)+(x+4)(x-5) | | 2y+3x-4=0 | | 3x+2y-5z=0 |

Equations solver categories