3z+4(2z+1)-(5z-1-5)=9

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Solution for 3z+4(2z+1)-(5z-1-5)=9 equation:


Simplifying
3z + 4(2z + 1) + -1(5z + -1 + -5) = 9

Reorder the terms:
3z + 4(1 + 2z) + -1(5z + -1 + -5) = 9
3z + (1 * 4 + 2z * 4) + -1(5z + -1 + -5) = 9
3z + (4 + 8z) + -1(5z + -1 + -5) = 9

Reorder the terms:
3z + 4 + 8z + -1(-1 + -5 + 5z) = 9

Combine like terms: -1 + -5 = -6
3z + 4 + 8z + -1(-6 + 5z) = 9
3z + 4 + 8z + (-6 * -1 + 5z * -1) = 9
3z + 4 + 8z + (6 + -5z) = 9

Reorder the terms:
4 + 6 + 3z + 8z + -5z = 9

Combine like terms: 4 + 6 = 10
10 + 3z + 8z + -5z = 9

Combine like terms: 3z + 8z = 11z
10 + 11z + -5z = 9

Combine like terms: 11z + -5z = 6z
10 + 6z = 9

Solving
10 + 6z = 9

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 + 6z = 9 + -10

Combine like terms: 10 + -10 = 0
0 + 6z = 9 + -10
6z = 9 + -10

Combine like terms: 9 + -10 = -1
6z = -1

Divide each side by '6'.
z = -0.1666666667

Simplifying
z = -0.1666666667

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