(8z+9)-(5z-7)=

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Solution for (8z+9)-(5z-7)= equation:


Simplifying
(8z + 9) + -1(5z + -7) = 0

Reorder the terms:
(9 + 8z) + -1(5z + -7) = 0

Remove parenthesis around (9 + 8z)
9 + 8z + -1(5z + -7) = 0

Reorder the terms:
9 + 8z + -1(-7 + 5z) = 0
9 + 8z + (-7 * -1 + 5z * -1) = 0
9 + 8z + (7 + -5z) = 0

Reorder the terms:
9 + 7 + 8z + -5z = 0

Combine like terms: 9 + 7 = 16
16 + 8z + -5z = 0

Combine like terms: 8z + -5z = 3z
16 + 3z = 0

Solving
16 + 3z = 0

Solving for variable 'z'.

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

Add '-16' to each side of the equation.
16 + -16 + 3z = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 3z = 0 + -16
3z = 0 + -16

Combine like terms: 0 + -16 = -16
3z = -16

Divide each side by '3'.
z = -5.333333333

Simplifying
z = -5.333333333

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