18=7+3(2z+3)

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Solution for 18=7+3(2z+3) equation:


Simplifying
18 = 7 + 3(2z + 3)

Reorder the terms:
18 = 7 + 3(3 + 2z)
18 = 7 + (3 * 3 + 2z * 3)
18 = 7 + (9 + 6z)

Combine like terms: 7 + 9 = 16
18 = 16 + 6z

Solving
18 = 16 + 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.
18 + -6z = 16 + 6z + -6z

Combine like terms: 6z + -6z = 0
18 + -6z = 16 + 0
18 + -6z = 16

Add '-18' to each side of the equation.
18 + -18 + -6z = 16 + -18

Combine like terms: 18 + -18 = 0
0 + -6z = 16 + -18
-6z = 16 + -18

Combine like terms: 16 + -18 = -2
-6z = -2

Divide each side by '-6'.
z = 0.3333333333

Simplifying
z = 0.3333333333

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