2z+3+6z-20=90

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Solution for 2z+3+6z-20=90 equation:


Simplifying
2z + 3 + 6z + -20 = 90

Reorder the terms:
3 + -20 + 2z + 6z = 90

Combine like terms: 3 + -20 = -17
-17 + 2z + 6z = 90

Combine like terms: 2z + 6z = 8z
-17 + 8z = 90

Solving
-17 + 8z = 90

Solving for variable 'z'.

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

Add '17' to each side of the equation.
-17 + 17 + 8z = 90 + 17

Combine like terms: -17 + 17 = 0
0 + 8z = 90 + 17
8z = 90 + 17

Combine like terms: 90 + 17 = 107
8z = 107

Divide each side by '8'.
z = 13.375

Simplifying
z = 13.375

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