2z+3(z-5)=15

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Solution for 2z+3(z-5)=15 equation:


Simplifying
2z + 3(z + -5) = 15

Reorder the terms:
2z + 3(-5 + z) = 15
2z + (-5 * 3 + z * 3) = 15
2z + (-15 + 3z) = 15

Reorder the terms:
-15 + 2z + 3z = 15

Combine like terms: 2z + 3z = 5z
-15 + 5z = 15

Solving
-15 + 5z = 15

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 + 5z = 15 + 15

Combine like terms: -15 + 15 = 0
0 + 5z = 15 + 15
5z = 15 + 15

Combine like terms: 15 + 15 = 30
5z = 30

Divide each side by '5'.
z = 6

Simplifying
z = 6

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