-2(3-7z)=25

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Solution for -2(3-7z)=25 equation: 


Simplifying
-2(3 + -7z) = 25
(3 * -2 + -7z * -2) = 25
(-6 + 14z) = 25

Solving
-6 + 14z = 25

Solving for variable 'z'.

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

Add '6' to each side of the equation.
-6 + 6 + 14z = 25 + 6

Combine like terms: -6 + 6 = 0
0 + 14z = 25 + 6
14z = 25 + 6

Combine like terms: 25 + 6 = 31
14z = 31

Divide each side by '14'.
z = 2.214285714

Simplifying
z = 2.214285714

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