(9z+10)-(2z-8)=

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Solution for (9z+10)-(2z-8)= equation:


Simplifying
(9z + 10) + -1(2z + -8) = 0

Reorder the terms:
(10 + 9z) + -1(2z + -8) = 0

Remove parenthesis around (10 + 9z)
10 + 9z + -1(2z + -8) = 0

Reorder the terms:
10 + 9z + -1(-8 + 2z) = 0
10 + 9z + (-8 * -1 + 2z * -1) = 0
10 + 9z + (8 + -2z) = 0

Reorder the terms:
10 + 8 + 9z + -2z = 0

Combine like terms: 10 + 8 = 18
18 + 9z + -2z = 0

Combine like terms: 9z + -2z = 7z
18 + 7z = 0

Solving
18 + 7z = 0

Solving for variable 'z'.

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

Add '-18' to each side of the equation.
18 + -18 + 7z = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 7z = 0 + -18
7z = 0 + -18

Combine like terms: 0 + -18 = -18
7z = -18

Divide each side by '7'.
z = -2.571428571

Simplifying
z = -2.571428571

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