9=at+27

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Solution for 9=at+27 equation:


Simplifying
9 = at + 27

Reorder the terms:
9 = 27 + at

Solving
9 = 27 + at

Solving for variable 'a'.

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

Add '-1at' to each side of the equation.
9 + -1at = 27 + at + -1at

Combine like terms: at + -1at = 0
9 + -1at = 27 + 0
9 + -1at = 27

Add '-9' to each side of the equation.
9 + -9 + -1at = 27 + -9

Combine like terms: 9 + -9 = 0
0 + -1at = 27 + -9
-1at = 27 + -9

Combine like terms: 27 + -9 = 18
-1at = 18

Divide each side by '-1t'.
a = -18t-1

Simplifying
a = -18t-1

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