30=(5z+15)+10z

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Solution for 30=(5z+15)+10z equation:


Simplifying
30 = (5z + 15) + 10z

Reorder the terms:
30 = (15 + 5z) + 10z

Remove parenthesis around (15 + 5z)
30 = 15 + 5z + 10z

Combine like terms: 5z + 10z = 15z
30 = 15 + 15z

Solving
30 = 15 + 15z

Solving for variable 'z'.

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

Add '-15z' to each side of the equation.
30 + -15z = 15 + 15z + -15z

Combine like terms: 15z + -15z = 0
30 + -15z = 15 + 0
30 + -15z = 15

Add '-30' to each side of the equation.
30 + -30 + -15z = 15 + -30

Combine like terms: 30 + -30 = 0
0 + -15z = 15 + -30
-15z = 15 + -30

Combine like terms: 15 + -30 = -15
-15z = -15

Divide each side by '-15'.
z = 1

Simplifying
z = 1

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