5.7a+15=83.4

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Solution for 5.7a+15=83.4 equation: 


Simplifying
5.7a + 15 = 83.4

Reorder the terms:
15 + 5.7a = 83.4

Solving
15 + 5.7a = 83.4

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 + 5.7a = 83.4 + -15

Combine like terms: 15 + -15 = 0
0 + 5.7a = 83.4 + -15
5.7a = 83.4 + -15

Combine like terms: 83.4 + -15 = 68.4
5.7a = 68.4

Divide each side by '5.7'.
a = 12

Simplifying
a = 12

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