103a-400=-215a+872

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Solution for 103a-400=-215a+872 equation:


Simplifying
103a + -400 = -215a + 872

Reorder the terms:
-400 + 103a = -215a + 872

Reorder the terms:
-400 + 103a = 872 + -215a

Solving
-400 + 103a = 872 + -215a

Solving for variable 'a'.

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

Add '215a' to each side of the equation.
-400 + 103a + 215a = 872 + -215a + 215a

Combine like terms: 103a + 215a = 318a
-400 + 318a = 872 + -215a + 215a

Combine like terms: -215a + 215a = 0
-400 + 318a = 872 + 0
-400 + 318a = 872

Add '400' to each side of the equation.
-400 + 400 + 318a = 872 + 400

Combine like terms: -400 + 400 = 0
0 + 318a = 872 + 400
318a = 872 + 400

Combine like terms: 872 + 400 = 1272
318a = 1272

Divide each side by '318'.
a = 4

Simplifying
a = 4

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