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

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


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

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

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

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

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

Combine like terms: -2z + 2z = 0
21 + -1z = -3 + 0
21 + -1z = -3

Add '-21' to each side of the equation.
21 + -21 + -1z = -3 + -21

Combine like terms: 21 + -21 = 0
0 + -1z = -3 + -21
-1z = -3 + -21

Combine like terms: -3 + -21 = -24
-1z = -24

Divide each side by '-1'.
z = 24

Simplifying
z = 24

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