8.5a+15=100

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Solution for 8.5a+15=100 equation: 


Simplifying
8.5a + 15 = 100

Reorder the terms:
15 + 8.5a = 100

Solving
15 + 8.5a = 100

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + 8.5a = 100 + -15

Combine like terms: 15 + -15 = 0
0 + 8.5a = 100 + -15
8.5a = 100 + -15

Combine like terms: 100 + -15 = 85
8.5a = 85

Divide each side by '8.5'.
a = 10

Simplifying
a = 10

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