3z-4(5)=45

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Solution for 3z-4(5)=45 equation:


Simplifying
3z + -4(5) = 45

Multiply -4 * 5
3z + -20 = 45

Reorder the terms:
-20 + 3z = 45

Solving
-20 + 3z = 45

Solving for variable 'z'.

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

Add '20' to each side of the equation.
-20 + 20 + 3z = 45 + 20

Combine like terms: -20 + 20 = 0
0 + 3z = 45 + 20
3z = 45 + 20

Combine like terms: 45 + 20 = 65
3z = 65

Divide each side by '3'.
z = 21.66666667

Simplifying
z = 21.66666667

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