2(z-2)-z=7

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Solution for 2(z-2)-z=7 equation:


Simplifying
2(z + -2) + -1z = 7

Reorder the terms:
2(-2 + z) + -1z = 7
(-2 * 2 + z * 2) + -1z = 7
(-4 + 2z) + -1z = 7

Combine like terms: 2z + -1z = 1z
-4 + 1z = 7

Solving
-4 + 1z = 7

Solving for variable 'z'.

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

Add '4' to each side of the equation.
-4 + 4 + 1z = 7 + 4

Combine like terms: -4 + 4 = 0
0 + 1z = 7 + 4
1z = 7 + 4

Combine like terms: 7 + 4 = 11
1z = 11

Divide each side by '1'.
z = 11

Simplifying
z = 11

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