7z-4(2-z)=25

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Solution for 7z-4(2-z)=25 equation:


Simplifying
7z + -4(2 + -1z) = 25
7z + (2 * -4 + -1z * -4) = 25
7z + (-8 + 4z) = 25

Reorder the terms:
-8 + 7z + 4z = 25

Combine like terms: 7z + 4z = 11z
-8 + 11z = 25

Solving
-8 + 11z = 25

Solving for variable 'z'.

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

Add '8' to each side of the equation.
-8 + 8 + 11z = 25 + 8

Combine like terms: -8 + 8 = 0
0 + 11z = 25 + 8
11z = 25 + 8

Combine like terms: 25 + 8 = 33
11z = 33

Divide each side by '11'.
z = 3

Simplifying
z = 3

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