-30=-7(6z-4)

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Solution for -30=-7(6z-4) equation:


Simplifying
-30 = -7(6z + -4)

Reorder the terms:
-30 = -7(-4 + 6z)
-30 = (-4 * -7 + 6z * -7)
-30 = (28 + -42z)

Solving
-30 = 28 + -42z

Solving for variable 'z'.

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

Add '42z' to each side of the equation.
-30 + 42z = 28 + -42z + 42z

Combine like terms: -42z + 42z = 0
-30 + 42z = 28 + 0
-30 + 42z = 28

Add '30' to each side of the equation.
-30 + 30 + 42z = 28 + 30

Combine like terms: -30 + 30 = 0
0 + 42z = 28 + 30
42z = 28 + 30

Combine like terms: 28 + 30 = 58
42z = 58

Divide each side by '42'.
z = 1.380952381

Simplifying
z = 1.380952381

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