6(z+10)+3(z+8)=129

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Solution for 6(z+10)+3(z+8)=129 equation:


Simplifying
6(z + 10) + 3(z + 8) = 129

Reorder the terms:
6(10 + z) + 3(z + 8) = 129
(10 * 6 + z * 6) + 3(z + 8) = 129
(60 + 6z) + 3(z + 8) = 129

Reorder the terms:
60 + 6z + 3(8 + z) = 129
60 + 6z + (8 * 3 + z * 3) = 129
60 + 6z + (24 + 3z) = 129

Reorder the terms:
60 + 24 + 6z + 3z = 129

Combine like terms: 60 + 24 = 84
84 + 6z + 3z = 129

Combine like terms: 6z + 3z = 9z
84 + 9z = 129

Solving
84 + 9z = 129

Solving for variable 'z'.

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

Add '-84' to each side of the equation.
84 + -84 + 9z = 129 + -84

Combine like terms: 84 + -84 = 0
0 + 9z = 129 + -84
9z = 129 + -84

Combine like terms: 129 + -84 = 45
9z = 45

Divide each side by '9'.
z = 5

Simplifying
z = 5

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