-3(z+7)=5z

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Solution for -3(z+7)=5z equation:


Simplifying
-3(z + 7) = 5z

Reorder the terms:
-3(7 + z) = 5z
(7 * -3 + z * -3) = 5z
(-21 + -3z) = 5z

Solving
-21 + -3z = 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-21 + -3z + -5z = 5z + -5z

Combine like terms: -3z + -5z = -8z
-21 + -8z = 5z + -5z

Combine like terms: 5z + -5z = 0
-21 + -8z = 0

Add '21' to each side of the equation.
-21 + 21 + -8z = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -8z = 0 + 21
-8z = 0 + 21

Combine like terms: 0 + 21 = 21
-8z = 21

Divide each side by '-8'.
z = -2.625

Simplifying
z = -2.625

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