3(6z-1)-3(z+7)=13(z+1)

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Solution for 3(6z-1)-3(z+7)=13(z+1) equation:


Simplifying
3(6z + -1) + -3(z + 7) = 13(z + 1)

Reorder the terms:
3(-1 + 6z) + -3(z + 7) = 13(z + 1)
(-1 * 3 + 6z * 3) + -3(z + 7) = 13(z + 1)
(-3 + 18z) + -3(z + 7) = 13(z + 1)

Reorder the terms:
-3 + 18z + -3(7 + z) = 13(z + 1)
-3 + 18z + (7 * -3 + z * -3) = 13(z + 1)
-3 + 18z + (-21 + -3z) = 13(z + 1)

Reorder the terms:
-3 + -21 + 18z + -3z = 13(z + 1)

Combine like terms: -3 + -21 = -24
-24 + 18z + -3z = 13(z + 1)

Combine like terms: 18z + -3z = 15z
-24 + 15z = 13(z + 1)

Reorder the terms:
-24 + 15z = 13(1 + z)
-24 + 15z = (1 * 13 + z * 13)
-24 + 15z = (13 + 13z)

Solving
-24 + 15z = 13 + 13z

Solving for variable 'z'.

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

Add '-13z' to each side of the equation.
-24 + 15z + -13z = 13 + 13z + -13z

Combine like terms: 15z + -13z = 2z
-24 + 2z = 13 + 13z + -13z

Combine like terms: 13z + -13z = 0
-24 + 2z = 13 + 0
-24 + 2z = 13

Add '24' to each side of the equation.
-24 + 24 + 2z = 13 + 24

Combine like terms: -24 + 24 = 0
0 + 2z = 13 + 24
2z = 13 + 24

Combine like terms: 13 + 24 = 37
2z = 37

Divide each side by '2'.
z = 18.5

Simplifying
z = 18.5

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