30+3z=-9(2z+6)

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Solution for 30+3z=-9(2z+6) equation:


Simplifying
30 + 3z = -9(2z + 6)

Reorder the terms:
30 + 3z = -9(6 + 2z)
30 + 3z = (6 * -9 + 2z * -9)
30 + 3z = (-54 + -18z)

Solving
30 + 3z = -54 + -18z

Solving for variable 'z'.

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

Add '18z' to each side of the equation.
30 + 3z + 18z = -54 + -18z + 18z

Combine like terms: 3z + 18z = 21z
30 + 21z = -54 + -18z + 18z

Combine like terms: -18z + 18z = 0
30 + 21z = -54 + 0
30 + 21z = -54

Add '-30' to each side of the equation.
30 + -30 + 21z = -54 + -30

Combine like terms: 30 + -30 = 0
0 + 21z = -54 + -30
21z = -54 + -30

Combine like terms: -54 + -30 = -84
21z = -84

Divide each side by '21'.
z = -4

Simplifying
z = -4

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