7z-15-2z+5=0

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Solution for 7z-15-2z+5=0 equation:


Simplifying
7z + -15 + -2z + 5 = 0

Reorder the terms:
-15 + 5 + 7z + -2z = 0

Combine like terms: -15 + 5 = -10
-10 + 7z + -2z = 0

Combine like terms: 7z + -2z = 5z
-10 + 5z = 0

Solving
-10 + 5z = 0

Solving for variable 'z'.

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

Add '10' to each side of the equation.
-10 + 10 + 5z = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 5z = 0 + 10
5z = 0 + 10

Combine like terms: 0 + 10 = 10
5z = 10

Divide each side by '5'.
z = 2

Simplifying
z = 2

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