3z+9=42

Simple and best practice solution for 3z+9=42 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 3z+9=42 equation: 


Simplifying
3z + 9 = 42

Reorder the terms:
9 + 3z = 42

Solving
9 + 3z = 42

Solving for variable 'z'.

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

Add '-9' to each side of the equation.
9 + -9 + 3z = 42 + -9

Combine like terms: 9 + -9 = 0
0 + 3z = 42 + -9
3z = 42 + -9

Combine like terms: 42 + -9 = 33
3z = 33

Divide each side by '3'.
z = 11

Simplifying
z = 11

See similar equations:

| C=2.42(160000)+3500 | | -6(x-5)=-12 | | 4x^3-5x^4=0 | | 9x+1+4x+-4+3x+7=180 | | 47+90+2x+5y=180 | | x+3=5x-15 | | (x+5)(x+7)=(x+5)x | | 5x+15-x+2=5 | | 2n^2-4=124 | | 21p-18=483p-462 | | 6.3-3.3x=2x+5 | | x^4-4x^3-44x^2+196x-245=0 | | r-4/4=10 | | 6x-7(-2x-15)=103 | | 0.8m+0.6m= | | -9x-10y=8 | | 14w^4-23w^2+8=0 | | x(2x+2)+(x+2)=4x | | 6.12+-b=18.12 | | 3x2/12 | | 2x+6y=-26 | | b^4+64b^2+63=0 | | y=29-7x | | 40x+5+55x-15=180 | | 15-4x=5x-3 | | 6x-7(-2x-15)=-126 | | -8/3*1/4 | | (w-2)/7=-2 | | 1.5j+j+j+15=190 | | (4x^3)+2x-18=0 | | 6=y/10 | | 2290+w=2315 |

Equations solver categories