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

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


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

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

Remove parenthesis around (45 + 10z)
45 + 10z + 3(6z + 7) = 180

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

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

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

Combine like terms: 10z + 18z = 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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