9a+28+10a=90

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Solution for 9a+28+10a=90 equation:


Simplifying
9a + 28 + 10a = 90

Reorder the terms:
28 + 9a + 10a = 90

Combine like terms: 9a + 10a = 19a
28 + 19a = 90

Solving
28 + 19a = 90

Solving for variable 'a'.

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

Add '-28' to each side of the equation.
28 + -28 + 19a = 90 + -28

Combine like terms: 28 + -28 = 0
0 + 19a = 90 + -28
19a = 90 + -28

Combine like terms: 90 + -28 = 62
19a = 62

Divide each side by '19'.
a = 3.263157895

Simplifying
a = 3.263157895

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