12z-55=7z-36

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Solution for 12z-55=7z-36 equation:


Simplifying
12z + -55 = 7z + -36

Reorder the terms:
-55 + 12z = 7z + -36

Reorder the terms:
-55 + 12z = -36 + 7z

Solving
-55 + 12z = -36 + 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.
-55 + 12z + -7z = -36 + 7z + -7z

Combine like terms: 12z + -7z = 5z
-55 + 5z = -36 + 7z + -7z

Combine like terms: 7z + -7z = 0
-55 + 5z = -36 + 0
-55 + 5z = -36

Add '55' to each side of the equation.
-55 + 55 + 5z = -36 + 55

Combine like terms: -55 + 55 = 0
0 + 5z = -36 + 55
5z = -36 + 55

Combine like terms: -36 + 55 = 19
5z = 19

Divide each side by '5'.
z = 3.8

Simplifying
z = 3.8

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