3-8(1+9z)=15

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Solution for 3-8(1+9z)=15 equation:


Simplifying
3 + -8(1 + 9z) = 15
3 + (1 * -8 + 9z * -8) = 15
3 + (-8 + -72z) = 15

Combine like terms: 3 + -8 = -5
-5 + -72z = 15

Solving
-5 + -72z = 15

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + -72z = 15 + 5

Combine like terms: -5 + 5 = 0
0 + -72z = 15 + 5
-72z = 15 + 5

Combine like terms: 15 + 5 = 20
-72z = 20

Divide each side by '-72'.
z = -0.2777777778

Simplifying
z = -0.2777777778

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