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

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


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

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

Reorder the terms:
-21 + -3z = -1 + -2z

Solving
-21 + -3z = -1 + -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.
-21 + -3z + 2z = -1 + -2z + 2z

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

Combine like terms: -2z + 2z = 0
-21 + -1z = -1 + 0
-21 + -1z = -1

Add '21' to each side of the equation.
-21 + 21 + -1z = -1 + 21

Combine like terms: -21 + 21 = 0
0 + -1z = -1 + 21
-1z = -1 + 21

Combine like terms: -1 + 21 = 20
-1z = 20

Divide each side by '-1'.
z = -20

Simplifying
z = -20

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