-20-10=3z+3z

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Solution for -20-10=3z+3z equation:


Simplifying
-20 + -10 = 3z + 3z

Combine like terms: -20 + -10 = -30
-30 = 3z + 3z

Combine like terms: 3z + 3z = 6z
-30 = 6z

Solving
-30 = 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
-30 + -6z = 6z + -6z

Combine like terms: 6z + -6z = 0
-30 + -6z = 0

Add '30' to each side of the equation.
-30 + 30 + -6z = 0 + 30

Combine like terms: -30 + 30 = 0
0 + -6z = 0 + 30
-6z = 0 + 30

Combine like terms: 0 + 30 = 30
-6z = 30

Divide each side by '-6'.
z = -5

Simplifying
z = -5

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