7y-9=3y+9

Simple and best practice solution for 7y-9=3y+9 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-9=3y+9 equation:


Simplifying
7y + -9 = 3y + 9

Reorder the terms:
-9 + 7y = 3y + 9

Reorder the terms:
-9 + 7y = 9 + 3y

Solving
-9 + 7y = 9 + 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.
-9 + 7y + -3y = 9 + 3y + -3y

Combine like terms: 7y + -3y = 4y
-9 + 4y = 9 + 3y + -3y

Combine like terms: 3y + -3y = 0
-9 + 4y = 9 + 0
-9 + 4y = 9

Add '9' to each side of the equation.
-9 + 9 + 4y = 9 + 9

Combine like terms: -9 + 9 = 0
0 + 4y = 9 + 9
4y = 9 + 9

Combine like terms: 9 + 9 = 18
4y = 18

Divide each side by '4'.
y = 4.5

Simplifying
y = 4.5

See similar equations:

| 3/4X-8=13 | | 0.3(18)+0.05x=0.15(12+X) | | -2x=4x^2 | | -4(b-1)=9b+1+5b+13 | | 0.25-(2/3)y=0.75-(1/3)y | | .4x-.2=-.16 | | 5x-(2x-5)+13=10 | | 24+4x=60 | | 0.3(18)+0.5x=0.15(12+X) | | 27=-3(q-78) | | .40-.2=-.16 | | 3x-2(x+1)=4x+19 | | -15m+16m+m-9=-5 | | -5(m+41)=80 | | 11-1m=51-6m | | -15+17-9=-5 | | 9/4=12/x | | 6x=26z | | 8c-6c+3=17 | | 2*n+4=6 | | 5(x^2)+4x+12=0 | | 3x+90+58=180 | | 35+5x=80 | | 2(u+63)=-16 | | 30p^4q^3r+42p^2r-18p^2q^2r= | | 0.5f-2=1/6f | | -16=5h-6 | | 2.4n-1.1=8.5 | | 5.1(4+5x)-8.4=12 | | 3.75-2.5(p+1)=.5p+4.25 | | -5g+11g-3g+-2g=-16 | | 5(r-80)=5 |

Equations solver categories