3(z+5)-7z=

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


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

Reorder the terms:
3(5 + z) + -7z = 0
(5 * 3 + z * 3) + -7z = 0
(15 + 3z) + -7z = 0

Combine like terms: 3z + -7z = -4z
15 + -4z = 0

Solving
15 + -4z = 0

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + -4z = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -4z = 0 + -15
-4z = 0 + -15

Combine like terms: 0 + -15 = -15
-4z = -15

Divide each side by '-4'.
z = 3.75

Simplifying
z = 3.75

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