7(4-y)=9y+20

Simple and best practice solution for 7(4-y)=9y+20 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 7(4-y)=9y+20 equation:


Simplifying
7(4 + -1y) = 9y + 20
(4 * 7 + -1y * 7) = 9y + 20
(28 + -7y) = 9y + 20

Reorder the terms:
28 + -7y = 20 + 9y

Solving
28 + -7y = 20 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
28 + -7y + -9y = 20 + 9y + -9y

Combine like terms: -7y + -9y = -16y
28 + -16y = 20 + 9y + -9y

Combine like terms: 9y + -9y = 0
28 + -16y = 20 + 0
28 + -16y = 20

Add '-28' to each side of the equation.
28 + -28 + -16y = 20 + -28

Combine like terms: 28 + -28 = 0
0 + -16y = 20 + -28
-16y = 20 + -28

Combine like terms: 20 + -28 = -8
-16y = -8

Divide each side by '-16'.
y = 0.5

Simplifying
y = 0.5

See similar equations:

| 7-3[5+(-10)]=67 | | 4y+67=-3+6(y+9) | | -0.85=logx | | 4-47=2-5 | | 23.99x+120.84y=675.28 | | 3(x+3)=x+1 | | y^2+2yz-15z^2= | | y+3.8=-1.6 | | 24=4x-y | | -5x+15=3x-9 | | 2(3x+5)=52 | | ix^2+2ix+i= | | -6(1x)+(-6)(-2)+4(3)+4(-6x)=-36 | | 19.6k+3.7=-0.22 | | 4x+12=-98-7 | | -12+(-30)= | | 2w+3w+7=62 | | 2.35=(.3829*(2.35-x)) | | 6y-56=12y-42 | | -6(1x)+6(-2)+4(3)+4(-6x)=-36 | | 27-3x=9-9x | | 4+7x=80 | | -10z-9z= | | 2+0.5*9=61 | | 35-28-1=14-8a | | 6x+8=-52-6x | | 9m+2=1.75 | | 3x^2-96x+182=0 | | 5(x-1)=-4x+67 | | 2+9=1.75 | | 4+7x=-20+x | | 3b+69=45 |

Equations solver categories