3(z+7)=-9

Simple and best practice solution for 3(z+7)=-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 3(z+7)=-9 equation: 


Simplifying
3(z + 7) = -9

Reorder the terms:
3(7 + z) = -9
(7 * 3 + z * 3) = -9
(21 + 3z) = -9

Solving
21 + 3z = -9

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + 3z = -9 + -21

Combine like terms: 21 + -21 = 0
0 + 3z = -9 + -21
3z = -9 + -21

Combine like terms: -9 + -21 = -30
3z = -30

Divide each side by '3'.
z = -10

Simplifying
z = -10

See similar equations:

| Xsquared-5=44 | | -60=10(v+1) | | 3p-44=p | | -6(a+2)-10=-4 | | 2y+4=13 | | 3/4-1/2n=7.8 | | -4(r+10)=-8 | | -20=8u-3u | | 9-4n=-59 | | 7(x-1)-12=9 | | 4y(y-5)-2y(3y+2)+108=3y(2y-5)-y(8y-3) | | f(x)=-10x+7 | | 6(5+3a)=32(6-8a)+5a | | f(-8)=10x+7 | | 7z+8z=15 | | f(n)=.6f(n-1) | | x^7-6x^4+9x^3=0 | | Y=200x+100 | | 11x+9y-17=3x+4y+9 | | sin(X)=vos(X) | | 9m^2-7m=11 | | 100+12(f)=700 | | -25=14-3q | | n/3=$12 | | Cosx-2cos(3x)=0 | | 150-12n/3=70 | | 1-3k-12=0 | | 8x+10-4x=42 | | 5x+8=64+x | | y-3.6=8.4 | | 2Cosx-2cos(3x)=0 | | 7=11-.2x |

Equations solver categories