12=7z+3

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Solution for 12=7z+3 equation:


Simplifying
12 = 7z + 3

Reorder the terms:
12 = 3 + 7z

Solving
12 = 3 + 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 = 3 + 7z + -7z

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

Add '-12' to each side of the equation.
12 + -12 + -7z = 3 + -12

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

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

Divide each side by '-7'.
z = 1.285714286

Simplifying
z = 1.285714286

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