-7-2z=8-9-5z

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Solution for -7-2z=8-9-5z equation:


Simplifying
-7 + -2z = 8 + -9 + -5z

Combine like terms: 8 + -9 = -1
-7 + -2z = -1 + -5z

Solving
-7 + -2z = -1 + -5z

Solving for variable 'z'.

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

Add '5z' to each side of the equation.
-7 + -2z + 5z = -1 + -5z + 5z

Combine like terms: -2z + 5z = 3z
-7 + 3z = -1 + -5z + 5z

Combine like terms: -5z + 5z = 0
-7 + 3z = -1 + 0
-7 + 3z = -1

Add '7' to each side of the equation.
-7 + 7 + 3z = -1 + 7

Combine like terms: -7 + 7 = 0
0 + 3z = -1 + 7
3z = -1 + 7

Combine like terms: -1 + 7 = 6
3z = 6

Divide each side by '3'.
z = 2

Simplifying
z = 2

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