1.15a+3.5-20d=19.7

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Solution for 1.15a+3.5-20d=19.7 equation: 


Simplifying
1.15a + 3.5 + -20d = 19.7

Reorder the terms:
3.5 + 1.15a + -20d = 19.7

Solving
3.5 + 1.15a + -20d = 19.7

Solving for variable 'a'.

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

Add '-3.5' to each side of the equation.
3.5 + 1.15a + -3.5 + -20d = 19.7 + -3.5

Reorder the terms:
3.5 + -3.5 + 1.15a + -20d = 19.7 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + 1.15a + -20d = 19.7 + -3.5
1.15a + -20d = 19.7 + -3.5

Combine like terms: 19.7 + -3.5 = 16.2
1.15a + -20d = 16.2

Add '20d' to each side of the equation.
1.15a + -20d + 20d = 16.2 + 20d

Combine like terms: -20d + 20d = 0
1.15a + 0 = 16.2 + 20d
1.15a = 16.2 + 20d

Divide each side by '1.15'.
a = 14.08695652 + 17.39130435d

Simplifying
a = 14.08695652 + 17.39130435d

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