7y-21=4y+2

Simple and best practice solution for 7y-21=4y+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-21=4y+2 equation:


Simplifying
7y + -21 = 4y + 2

Reorder the terms:
-21 + 7y = 4y + 2

Reorder the terms:
-21 + 7y = 2 + 4y

Solving
-21 + 7y = 2 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
-21 + 7y + -4y = 2 + 4y + -4y

Combine like terms: 7y + -4y = 3y
-21 + 3y = 2 + 4y + -4y

Combine like terms: 4y + -4y = 0
-21 + 3y = 2 + 0
-21 + 3y = 2

Add '21' to each side of the equation.
-21 + 21 + 3y = 2 + 21

Combine like terms: -21 + 21 = 0
0 + 3y = 2 + 21
3y = 2 + 21

Combine like terms: 2 + 21 = 23
3y = 23

Divide each side by '3'.
y = 7.666666667

Simplifying
y = 7.666666667

See similar equations:

| 2+x=-3-1 | | 3/2x-1/3=-3/4x+32/5 | | 3(x+18)=87 | | 2(x-4)+8x=5(2x+4)-8 | | 11=-13a+5a | | 6x-14x= | | 1.6r+7=1.2r+19 | | 128-2x=34x+24 | | x^3+4x^2+26x-48=0 | | x+19=15x+69 | | 15x^2+50x+120=0 | | 46x+23=78 | | x=-1.333333333+y | | N+3n-5=19 | | 11/3-1= | | 15pz-21p-20z+28=0 | | -(5x+3)-(-4x-6)=0 | | 11x-61=3x-5 | | t^2-8t+12= | | -3+3y=-15 | | 25000.00x+13000.00= | | x=1+-3y | | 6x^2-8x-30=384 | | 8v^3+26v^2-24v=0 | | -2x^2-2x-9=0 | | 04x-1*1=-6.8 | | 2(4x-5)=70 | | x^2-7x-8=3x+3 | | 5.6-2a=4 | | 4x+7y=27-7y | | .333333s=-8 | | w/7+3=43 |

Equations solver categories