15a-40a=-13a-36

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Solution for 15a-40a=-13a-36 equation:


Simplifying
15a + -40a = -13a + -36

Combine like terms: 15a + -40a = -25a
-25a = -13a + -36

Reorder the terms:
-25a = -36 + -13a

Solving
-25a = -36 + -13a

Solving for variable 'a'.

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

Add '13a' to each side of the equation.
-25a + 13a = -36 + -13a + 13a

Combine like terms: -25a + 13a = -12a
-12a = -36 + -13a + 13a

Combine like terms: -13a + 13a = 0
-12a = -36 + 0
-12a = -36

Divide each side by '-12'.
a = 3

Simplifying
a = 3

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