.75(z+4)=9

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Solution for .75(z+4)=9 equation:


Simplifying
0.75(z + 4) = 9

Reorder the terms:
0.75(4 + z) = 9
(4 * 0.75 + z * 0.75) = 9
(3 + 0.75z) = 9

Solving
3 + 0.75z = 9

Solving for variable 'z'.

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

Add '-3' to each side of the equation.
3 + -3 + 0.75z = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 0.75z = 9 + -3
0.75z = 9 + -3

Combine like terms: 9 + -3 = 6
0.75z = 6

Divide each side by '0.75'.
z = 8

Simplifying
z = 8

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