30=z+z+z+3+2+4+z+3

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Solution for 30=z+z+z+3+2+4+z+3 equation:


Simplifying
30 = z + z + z + 3 + 2 + 4 + z + 3

Reorder the terms:
30 = 3 + 2 + 4 + 3 + z + z + z + z

Combine like terms: 3 + 2 = 5
30 = 5 + 4 + 3 + z + z + z + z

Combine like terms: 5 + 4 = 9
30 = 9 + 3 + z + z + z + z

Combine like terms: 9 + 3 = 12
30 = 12 + z + z + z + z

Combine like terms: z + z = 2z
30 = 12 + 2z + z + z

Combine like terms: 2z + z = 3z
30 = 12 + 3z + z

Combine like terms: 3z + z = 4z
30 = 12 + 4z

Solving
30 = 12 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
30 + -4z = 12 + 4z + -4z

Combine like terms: 4z + -4z = 0
30 + -4z = 12 + 0
30 + -4z = 12

Add '-30' to each side of the equation.
30 + -30 + -4z = 12 + -30

Combine like terms: 30 + -30 = 0
0 + -4z = 12 + -30
-4z = 12 + -30

Combine like terms: 12 + -30 = -18
-4z = -18

Divide each side by '-4'.
z = 4.5

Simplifying
z = 4.5

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