(-2z+6)(4)=42

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Solution for (-2z+6)(4)=42 equation:


Simplifying
(-2z + 6)(4) = 42

Reorder the terms:
(6 + -2z)(4) = 42

Reorder the terms for easier multiplication:
4(6 + -2z) = 42
(6 * 4 + -2z * 4) = 42
(24 + -8z) = 42

Solving
24 + -8z = 42

Solving for variable 'z'.

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

Add '-24' to each side of the equation.
24 + -24 + -8z = 42 + -24

Combine like terms: 24 + -24 = 0
0 + -8z = 42 + -24
-8z = 42 + -24

Combine like terms: 42 + -24 = 18
-8z = 18

Divide each side by '-8'.
z = -2.25

Simplifying
z = -2.25

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