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

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


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

Reorder the terms:
-3(4 + z) = 9 + -2z
(4 * -3 + z * -3) = 9 + -2z
(-12 + -3z) = 9 + -2z

Solving
-12 + -3z = 9 + -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 + -3z + 2z = 9 + -2z + 2z

Combine like terms: -3z + 2z = -1z
-12 + -1z = 9 + -2z + 2z

Combine like terms: -2z + 2z = 0
-12 + -1z = 9 + 0
-12 + -1z = 9

Add '12' to each side of the equation.
-12 + 12 + -1z = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -1z = 9 + 12
-1z = 9 + 12

Combine like terms: 9 + 12 = 21
-1z = 21

Divide each side by '-1'.
z = -21

Simplifying
z = -21

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