3z-(3-z)-7=10

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Solution for 3z-(3-z)-7=10 equation:


Simplifying
3z + -1(3 + -1z) + -7 = 10
3z + (3 * -1 + -1z * -1) + -7 = 10
3z + (-3 + 1z) + -7 = 10

Reorder the terms:
-3 + -7 + 3z + 1z = 10

Combine like terms: -3 + -7 = -10
-10 + 3z + 1z = 10

Combine like terms: 3z + 1z = 4z
-10 + 4z = 10

Solving
-10 + 4z = 10

Solving for variable 'z'.

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

Add '10' to each side of the equation.
-10 + 10 + 4z = 10 + 10

Combine like terms: -10 + 10 = 0
0 + 4z = 10 + 10
4z = 10 + 10

Combine like terms: 10 + 10 = 20
4z = 20

Divide each side by '4'.
z = 5

Simplifying
z = 5

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