5z+2=90

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Solution for 5z+2=90 equation: 


Simplifying
5z + 2 = 90

Reorder the terms:
2 + 5z = 90

Solving
2 + 5z = 90

Solving for variable 'z'.

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

Add '-2' to each side of the equation.
2 + -2 + 5z = 90 + -2

Combine like terms: 2 + -2 = 0
0 + 5z = 90 + -2
5z = 90 + -2

Combine like terms: 90 + -2 = 88
5z = 88

Divide each side by '5'.
z = 17.6

Simplifying
z = 17.6

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