7z-4=12+3z

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Solution for 7z-4=12+3z equation:


Simplifying
7z + -4 = 12 + 3z

Reorder the terms:
-4 + 7z = 12 + 3z

Solving
-4 + 7z = 12 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-4 + 7z + -3z = 12 + 3z + -3z

Combine like terms: 7z + -3z = 4z
-4 + 4z = 12 + 3z + -3z

Combine like terms: 3z + -3z = 0
-4 + 4z = 12 + 0
-4 + 4z = 12

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

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

Combine like terms: 12 + 4 = 16
4z = 16

Divide each side by '4'.
z = 4

Simplifying
z = 4

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