7z+9=9z-9

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



7z+9=9z-9

We move all terms to the left:

7z+9-(9z-9)=0

We get rid of parentheses

7z-9z+9+9=0

We add all the numbers together, and all the variables

-2z+18=0

We move all terms containing z to the left, all other terms to the right

-2z=-18

z=-18/-2

z=+9

See similar equations:

| 11x(0.68-1)= | | 4x-11+x=9 | | 1+2r=2r+4 | | -2k-10=10-4k | | 5.5y+3.2y+6=-3.57 | | 5d=5d-7 | | 3x-(5)=40 | | 6x+6x-6=78 | | 10+t=-9t-10 | | x*96=100 | | -7r=2r-9r | | K^2-8k-42=0 | | x+2x+3x+2x=132 | | K2-8k-42=0 | | x^2-10=-8 | | 3r-3+r+16+2r+17+4r-7+3r+3r-3=360 | | 7(-5y+11)-4y=-79 | | 10x+6=3000 | | 200=1.75t^2 | | 3(3+x)=75 | | t^2=9/6 | | 20≤10/23+20;z=5 | | x-4²-36=0 | | 20≤1023+20;z=5 | | 4w-3=-2w+21 | | 5x*32/3=456 | | 4b³-6b²=10b-15 | | 5x*32÷3=456 | | 12k^2+8k+2=0 | | 6.12-5.9y=-7.6y+5.78 | | 5(5+x)=45 | | -6.5+11.4k=11.9k |

Equations solver categories