12=7z+4

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Solution for 12=7z+4 equation:


Simplifying
12 = 7z + 4

Reorder the terms:
12 = 4 + 7z

Solving
12 = 4 + 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 + -7z = 4 + 7z + -7z

Combine like terms: 7z + -7z = 0
12 + -7z = 4 + 0
12 + -7z = 4

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

Combine like terms: 12 + -12 = 0
0 + -7z = 4 + -12
-7z = 4 + -12

Combine like terms: 4 + -12 = -8
-7z = -8

Divide each side by '-7'.
z = 1.142857143

Simplifying
z = 1.142857143

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