2(2z+1)-9=13

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Solution for 2(2z+1)-9=13 equation:


Simplifying
2(2z + 1) + -9 = 13

Reorder the terms:
2(1 + 2z) + -9 = 13
(1 * 2 + 2z * 2) + -9 = 13
(2 + 4z) + -9 = 13

Reorder the terms:
2 + -9 + 4z = 13

Combine like terms: 2 + -9 = -7
-7 + 4z = 13

Solving
-7 + 4z = 13

Solving for variable 'z'.

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

Add '7' to each side of the equation.
-7 + 7 + 4z = 13 + 7

Combine like terms: -7 + 7 = 0
0 + 4z = 13 + 7
4z = 13 + 7

Combine like terms: 13 + 7 = 20
4z = 20

Divide each side by '4'.
z = 5

Simplifying
z = 5

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