-7(z+3)+4z=

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Solution for -7(z+3)+4z= equation:


Simplifying
-7(z + 3) + 4z = 0

Reorder the terms:
-7(3 + z) + 4z = 0
(3 * -7 + z * -7) + 4z = 0
(-21 + -7z) + 4z = 0

Combine like terms: -7z + 4z = -3z
-21 + -3z = 0

Solving
-21 + -3z = 0

Solving for variable 'z'.

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

Add '21' to each side of the equation.
-21 + 21 + -3z = 0 + 21

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

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

Divide each side by '-3'.
z = -7

Simplifying
z = -7

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