5z+3(z-7)=

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


Simplifying
5z + 3(z + -7) = 0

Reorder the terms:
5z + 3(-7 + z) = 0
5z + (-7 * 3 + z * 3) = 0
5z + (-21 + 3z) = 0

Reorder the terms:
-21 + 5z + 3z = 0

Combine like terms: 5z + 3z = 8z
-21 + 8z = 0

Solving
-21 + 8z = 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 + 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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