7(z+1)-2=9z+3

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Solution for 7(z+1)-2=9z+3 equation:


Simplifying
7(z + 1) + -2 = 9z + 3

Reorder the terms:
7(1 + z) + -2 = 9z + 3
(1 * 7 + z * 7) + -2 = 9z + 3
(7 + 7z) + -2 = 9z + 3

Reorder the terms:
7 + -2 + 7z = 9z + 3

Combine like terms: 7 + -2 = 5
5 + 7z = 9z + 3

Reorder the terms:
5 + 7z = 3 + 9z

Solving
5 + 7z = 3 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
5 + 7z + -9z = 3 + 9z + -9z

Combine like terms: 7z + -9z = -2z
5 + -2z = 3 + 9z + -9z

Combine like terms: 9z + -9z = 0
5 + -2z = 3 + 0
5 + -2z = 3

Add '-5' to each side of the equation.
5 + -5 + -2z = 3 + -5

Combine like terms: 5 + -5 = 0
0 + -2z = 3 + -5
-2z = 3 + -5

Combine like terms: 3 + -5 = -2
-2z = -2

Divide each side by '-2'.
z = 1

Simplifying
z = 1

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