8z+2z+7z+187=221

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Solution for 8z+2z+7z+187=221 equation:


Simplifying
8z + 2z + 7z + 187 = 221

Reorder the terms:
187 + 8z + 2z + 7z = 221

Combine like terms: 8z + 2z = 10z
187 + 10z + 7z = 221

Combine like terms: 10z + 7z = 17z
187 + 17z = 221

Solving
187 + 17z = 221

Solving for variable 'z'.

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

Add '-187' to each side of the equation.
187 + -187 + 17z = 221 + -187

Combine like terms: 187 + -187 = 0
0 + 17z = 221 + -187
17z = 221 + -187

Combine like terms: 221 + -187 = 34
17z = 34

Divide each side by '17'.
z = 2

Simplifying
z = 2

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