4z+12=7z-9

Simple and best practice solution for 4z+12=7z-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 4z+12=7z-9 equation:


Simplifying
4z + 12 = 7z + -9

Reorder the terms:
12 + 4z = 7z + -9

Reorder the terms:
12 + 4z = -9 + 7z

Solving
12 + 4z = -9 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
12 + 4z + -7z = -9 + 7z + -7z

Combine like terms: 4z + -7z = -3z
12 + -3z = -9 + 7z + -7z

Combine like terms: 7z + -7z = 0
12 + -3z = -9 + 0
12 + -3z = -9

Add '-12' to each side of the equation.
12 + -12 + -3z = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -3z = -9 + -12
-3z = -9 + -12

Combine like terms: -9 + -12 = -21
-3z = -21

Divide each side by '-3'.
z = 7

Simplifying
z = 7

See similar equations:

| 5y^2-6y-11=0 | | 6x=3x+2 | | 4(3+6)(5-10)= | | w(w+7)+114=2(w+7)(w-3) | | y=x^2-5x-7 | | y=x^2-5x+1 | | 3a+9a+3b-5a+2b= | | 4x+5-9x=9-(5x+4) | | x^2+4x+1=x+1 | | x/3+x/2=5/6 | | 4(5x+3)-7= | | 7x-(2x+3)=37 | | -64a^2+36= | | (w-3)*2(w+7)=114 | | x^2+x-8x-9=3 | | x^2=-x+7 | | 23+29x=32x+32 | | -12x-17=-13x-9 | | -20+6x=-8+9x | | (w-3)2(w+7)=114 | | -7x+4(6+3x)=44 | | 2(w+7)x(w-3)=114 | | x^2-1x-20=0 | | -144a^2+196= | | -(16+7x)+12=10 | | 2(w+7)(w-3)=114 | | 18a^2+84a+98= | | 6+3x=4+7x-2x | | 9x+2=2+7x-2x | | 5x-3(6x+4)=-38 | | 6-13c+6c^2= | | 20x=25-5y |

Equations solver categories