1.285(a+3)=4+1.25a

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Solution for 1.285(a+3)=4+1.25a equation: 


Simplifying
1.285(a + 3) = 4 + 1.25a

Reorder the terms:
1.285(3 + a) = 4 + 1.25a
(3 * 1.285 + a * 1.285) = 4 + 1.25a
(3.855 + 1.285a) = 4 + 1.25a

Solving
3.855 + 1.285a = 4 + 1.25a

Solving for variable 'a'.

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

Add '-1.25a' to each side of the equation.
3.855 + 1.285a + -1.25a = 4 + 1.25a + -1.25a

Combine like terms: 1.285a + -1.25a = 0.035a
3.855 + 0.035a = 4 + 1.25a + -1.25a

Combine like terms: 1.25a + -1.25a = 0.00
3.855 + 0.035a = 4 + 0.00
3.855 + 0.035a = 4

Add '-3.855' to each side of the equation.
3.855 + -3.855 + 0.035a = 4 + -3.855

Combine like terms: 3.855 + -3.855 = 0.000
0.000 + 0.035a = 4 + -3.855
0.035a = 4 + -3.855

Combine like terms: 4 + -3.855 = 0.145
0.035a = 0.145

Divide each side by '0.035'.
a = 4.142857143

Simplifying
a = 4.142857143

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