3-5z-9=-7z+10

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Solution for 3-5z-9=-7z+10 equation:


Simplifying
3 + -5z + -9 = -7z + 10

Reorder the terms:
3 + -9 + -5z = -7z + 10

Combine like terms: 3 + -9 = -6
-6 + -5z = -7z + 10

Reorder the terms:
-6 + -5z = 10 + -7z

Solving
-6 + -5z = 10 + -7z

Solving for variable 'z'.

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

Add '7z' to each side of the equation.
-6 + -5z + 7z = 10 + -7z + 7z

Combine like terms: -5z + 7z = 2z
-6 + 2z = 10 + -7z + 7z

Combine like terms: -7z + 7z = 0
-6 + 2z = 10 + 0
-6 + 2z = 10

Add '6' to each side of the equation.
-6 + 6 + 2z = 10 + 6

Combine like terms: -6 + 6 = 0
0 + 2z = 10 + 6
2z = 10 + 6

Combine like terms: 10 + 6 = 16
2z = 16

Divide each side by '2'.
z = 8

Simplifying
z = 8

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