3(6z+7)+(10z+45)=180

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Solution for 3(6z+7)+(10z+45)=180 equation:


Simplifying
3(6z + 7) + (10z + 45) = 180

Reorder the terms:
3(7 + 6z) + (10z + 45) = 180
(7 * 3 + 6z * 3) + (10z + 45) = 180
(21 + 18z) + (10z + 45) = 180

Reorder the terms:
21 + 18z + (45 + 10z) = 180

Remove parenthesis around (45 + 10z)
21 + 18z + 45 + 10z = 180

Reorder the terms:
21 + 45 + 18z + 10z = 180

Combine like terms: 21 + 45 = 66
66 + 18z + 10z = 180

Combine like terms: 18z + 10z = 28z
66 + 28z = 180

Solving
66 + 28z = 180

Solving for variable 'z'.

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

Add '-66' to each side of the equation.
66 + -66 + 28z = 180 + -66

Combine like terms: 66 + -66 = 0
0 + 28z = 180 + -66
28z = 180 + -66

Combine like terms: 180 + -66 = 114
28z = 114

Divide each side by '28'.
z = 4.071428571

Simplifying
z = 4.071428571

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