11z-5=9z-7

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Solution for 11z-5=9z-7 equation:


Simplifying
11z + -5 = 9z + -7

Reorder the terms:
-5 + 11z = 9z + -7

Reorder the terms:
-5 + 11z = -7 + 9z

Solving
-5 + 11z = -7 + 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 + 11z + -9z = -7 + 9z + -9z

Combine like terms: 11z + -9z = 2z
-5 + 2z = -7 + 9z + -9z

Combine like terms: 9z + -9z = 0
-5 + 2z = -7 + 0
-5 + 2z = -7

Add '5' to each side of the equation.
-5 + 5 + 2z = -7 + 5

Combine like terms: -5 + 5 = 0
0 + 2z = -7 + 5
2z = -7 + 5

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

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

Simplifying
z = -1

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