8(5-z)7=-z

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Solution for 8(5-z)7=-z equation:


Simplifying
8(5 + -1z) * 7 = -1z

Reorder the terms for easier multiplication:
8 * 7(5 + -1z) = -1z

Multiply 8 * 7
56(5 + -1z) = -1z
(5 * 56 + -1z * 56) = -1z
(280 + -56z) = -1z

Solving
280 + -56z = -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.
280 + -56z + z = -1z + z

Combine like terms: -56z + z = -55z
280 + -55z = -1z + z

Combine like terms: -1z + z = 0
280 + -55z = 0

Add '-280' to each side of the equation.
280 + -280 + -55z = 0 + -280

Combine like terms: 280 + -280 = 0
0 + -55z = 0 + -280
-55z = 0 + -280

Combine like terms: 0 + -280 = -280
-55z = -280

Divide each side by '-55'.
z = 5.090909091

Simplifying
z = 5.090909091

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