78=6(z+9)

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Solution for 78=6(z+9) equation:


Simplifying
78 = 6(z + 9)

Reorder the terms:
78 = 6(9 + z)
78 = (9 * 6 + z * 6)
78 = (54 + 6z)

Solving
78 = 54 + 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.
78 + -6z = 54 + 6z + -6z

Combine like terms: 6z + -6z = 0
78 + -6z = 54 + 0
78 + -6z = 54

Add '-78' to each side of the equation.
78 + -78 + -6z = 54 + -78

Combine like terms: 78 + -78 = 0
0 + -6z = 54 + -78
-6z = 54 + -78

Combine like terms: 54 + -78 = -24
-6z = -24

Divide each side by '-6'.
z = 4

Simplifying
z = 4

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