2z+6z-7z-1=12

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Solution for 2z+6z-7z-1=12 equation:


Simplifying
2z + 6z + -7z + -1 = 12

Reorder the terms:
-1 + 2z + 6z + -7z = 12

Combine like terms: 2z + 6z = 8z
-1 + 8z + -7z = 12

Combine like terms: 8z + -7z = 1z
-1 + 1z = 12

Solving
-1 + 1z = 12

Solving for variable 'z'.

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

Add '1' to each side of the equation.
-1 + 1 + 1z = 12 + 1

Combine like terms: -1 + 1 = 0
0 + 1z = 12 + 1
1z = 12 + 1

Combine like terms: 12 + 1 = 13
1z = 13

Divide each side by '1'.
z = 13

Simplifying
z = 13

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