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

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


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

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

Reorder the terms:
-1 + -3z = 2(7 + z)
-1 + -3z = (7 * 2 + z * 2)
-1 + -3z = (14 + 2z)

Solving
-1 + -3z = 14 + 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.
-1 + -3z + -2z = 14 + 2z + -2z

Combine like terms: -3z + -2z = -5z
-1 + -5z = 14 + 2z + -2z

Combine like terms: 2z + -2z = 0
-1 + -5z = 14 + 0
-1 + -5z = 14

Add '1' to each side of the equation.
-1 + 1 + -5z = 14 + 1

Combine like terms: -1 + 1 = 0
0 + -5z = 14 + 1
-5z = 14 + 1

Combine like terms: 14 + 1 = 15
-5z = 15

Divide each side by '-5'.
z = -3

Simplifying
z = -3

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