.5(10z+2)-(2+9)=

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Solution for .5(10z+2)-(2+9)= equation:


Simplifying
0.5(10z + 2) + -1(2 + 9) = 0

Reorder the terms:
0.5(2 + 10z) + -1(2 + 9) = 0
(2 * 0.5 + 10z * 0.5) + -1(2 + 9) = 0
(1 + 5z) + -1(2 + 9) = 0

Combine like terms: 2 + 9 = 11
1 + 5z + -1(11) = 0

Multiply -1 * 11
1 + 5z + -11 = 0

Reorder the terms:
1 + -11 + 5z = 0

Combine like terms: 1 + -11 = -10
-10 + 5z = 0

Solving
-10 + 5z = 0

Solving for variable 'z'.

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

Add '10' to each side of the equation.
-10 + 10 + 5z = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 5z = 0 + 10
5z = 0 + 10

Combine like terms: 0 + 10 = 10
5z = 10

Divide each side by '5'.
z = 2

Simplifying
z = 2

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