3(7z+4)-12z-27=

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Solution for 3(7z+4)-12z-27= equation:


Simplifying
3(7z + 4) + -12z + -27 = 0

Reorder the terms:
3(4 + 7z) + -12z + -27 = 0
(4 * 3 + 7z * 3) + -12z + -27 = 0
(12 + 21z) + -12z + -27 = 0

Reorder the terms:
12 + -27 + 21z + -12z = 0

Combine like terms: 12 + -27 = -15
-15 + 21z + -12z = 0

Combine like terms: 21z + -12z = 9z
-15 + 9z = 0

Solving
-15 + 9z = 0

Solving for variable 'z'.

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

Add '15' to each side of the equation.
-15 + 15 + 9z = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 9z = 0 + 15
9z = 0 + 15

Combine like terms: 0 + 15 = 15
9z = 15

Divide each side by '9'.
z = 1.666666667

Simplifying
z = 1.666666667

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