-5-7(3z+1)=(2z+1)+2

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Solution for -5-7(3z+1)=(2z+1)+2 equation:


Simplifying
-5 + -7(3z + 1) = (2z + 1) + 2

Reorder the terms:
-5 + -7(1 + 3z) = (2z + 1) + 2
-5 + (1 * -7 + 3z * -7) = (2z + 1) + 2
-5 + (-7 + -21z) = (2z + 1) + 2

Combine like terms: -5 + -7 = -12
-12 + -21z = (2z + 1) + 2

Reorder the terms:
-12 + -21z = (1 + 2z) + 2

Remove parenthesis around (1 + 2z)
-12 + -21z = 1 + 2z + 2

Reorder the terms:
-12 + -21z = 1 + 2 + 2z

Combine like terms: 1 + 2 = 3
-12 + -21z = 3 + 2z

Solving
-12 + -21z = 3 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
-12 + -21z + -2z = 3 + 2z + -2z

Combine like terms: -21z + -2z = -23z
-12 + -23z = 3 + 2z + -2z

Combine like terms: 2z + -2z = 0
-12 + -23z = 3 + 0
-12 + -23z = 3

Add '12' to each side of the equation.
-12 + 12 + -23z = 3 + 12

Combine like terms: -12 + 12 = 0
0 + -23z = 3 + 12
-23z = 3 + 12

Combine like terms: 3 + 12 = 15
-23z = 15

Divide each side by '-23'.
z = -0.652173913

Simplifying
z = -0.652173913

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