-2z-9-8z=-30

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Solution for -2z-9-8z=-30 equation:


Simplifying
-2z + -9 + -8z = -30

Reorder the terms:
-9 + -2z + -8z = -30

Combine like terms: -2z + -8z = -10z
-9 + -10z = -30

Solving
-9 + -10z = -30

Solving for variable 'z'.

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

Add '9' to each side of the equation.
-9 + 9 + -10z = -30 + 9

Combine like terms: -9 + 9 = 0
0 + -10z = -30 + 9
-10z = -30 + 9

Combine like terms: -30 + 9 = -21
-10z = -21

Divide each side by '-10'.
z = 2.1

Simplifying
z = 2.1

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