40a-17-25a=a-45

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Solution for 40a-17-25a=a-45 equation:


Simplifying
40a + -17 + -25a = a + -45

Reorder the terms:
-17 + 40a + -25a = a + -45

Combine like terms: 40a + -25a = 15a
-17 + 15a = a + -45

Reorder the terms:
-17 + 15a = -45 + a

Solving
-17 + 15a = -45 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-17 + 15a + -1a = -45 + a + -1a

Combine like terms: 15a + -1a = 14a
-17 + 14a = -45 + a + -1a

Combine like terms: a + -1a = 0
-17 + 14a = -45 + 0
-17 + 14a = -45

Add '17' to each side of the equation.
-17 + 17 + 14a = -45 + 17

Combine like terms: -17 + 17 = 0
0 + 14a = -45 + 17
14a = -45 + 17

Combine like terms: -45 + 17 = -28
14a = -28

Divide each side by '14'.
a = -2

Simplifying
a = -2

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