9z+4-2z+7=

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Solution for 9z+4-2z+7= equation:


Simplifying
9z + 4 + -2z + 7 = 0

Reorder the terms:
4 + 7 + 9z + -2z = 0

Combine like terms: 4 + 7 = 11
11 + 9z + -2z = 0

Combine like terms: 9z + -2z = 7z
11 + 7z = 0

Solving
11 + 7z = 0

Solving for variable 'z'.

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

Add '-11' to each side of the equation.
11 + -11 + 7z = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 7z = 0 + -11
7z = 0 + -11

Combine like terms: 0 + -11 = -11
7z = -11

Divide each side by '7'.
z = -1.571428571

Simplifying
z = -1.571428571

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