7(3-z)6=-z

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Solution for 7(3-z)6=-z equation:


Simplifying
7(3 + -1z) * 6 = -1z

Reorder the terms for easier multiplication:
7 * 6(3 + -1z) = -1z

Multiply 7 * 6
42(3 + -1z) = -1z
(3 * 42 + -1z * 42) = -1z
(126 + -42z) = -1z

Solving
126 + -42z = -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
126 + -42z + z = -1z + z

Combine like terms: -42z + z = -41z
126 + -41z = -1z + z

Combine like terms: -1z + z = 0
126 + -41z = 0

Add '-126' to each side of the equation.
126 + -126 + -41z = 0 + -126

Combine like terms: 126 + -126 = 0
0 + -41z = 0 + -126
-41z = 0 + -126

Combine like terms: 0 + -126 = -126
-41z = -126

Divide each side by '-41'.
z = 3.073170732

Simplifying
z = 3.073170732

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