7z-3=42

Simple and best practice solution for 7z-3=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 7z-3=42 equation: 


Simplifying
7z + -3 = 42

Reorder the terms:
-3 + 7z = 42

Solving
-3 + 7z = 42

Solving for variable 'z'.

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

Add '3' to each side of the equation.
-3 + 3 + 7z = 42 + 3

Combine like terms: -3 + 3 = 0
0 + 7z = 42 + 3
7z = 42 + 3

Combine like terms: 42 + 3 = 45
7z = 45

Divide each side by '7'.
z = 6.428571429

Simplifying
z = 6.428571429

See similar equations:

| (7x+31)+(21x-19)=180 | | n^2=6n-5 | | 2x+9=-3x-6 | | 5+4p=19 | | 2z-3(z-1)=-(5z+6)+z | | 6y+1=55 | | 8(x-5)=-104 | | (4m+1)(m+2)= | | 4v^2=12v+72 | | (m-1)(m-5)=0 | | 3z+66=z+32 | | 180+28.4=x+x | | 6b^2-30b=0 | | x-2=15-2 | | (11+4x)+2(11+4x)=195 | | 12y-(21-y)=2y | | 1+3n=7n+9 | | 152=-8(-7-4x) | | y+60=2y+6 | | -24+3y=9 | | 28.4+2x=180 | | 2.30=x+x | | (b-5)(b-1)=0 | | -81=-3(4k-5) | | 11z+54=9z+56 | | x+x+28.4=180 | | (v-1)(v-4)=0 | | 17=3(u+3)-7u | | 4z(4+2.5y)+8= | | 14x^3=96 | | (5-i)+(2+4i)-(4+2i)= | | 4x-2(7x+12)=-74 |

Equations solver categories