-25a-87=a+381

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Solution for -25a-87=a+381 equation:


Simplifying
-25a + -87 = a + 381

Reorder the terms:
-87 + -25a = a + 381

Reorder the terms:
-87 + -25a = 381 + a

Solving
-87 + -25a = 381 + 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.
-87 + -25a + -1a = 381 + a + -1a

Combine like terms: -25a + -1a = -26a
-87 + -26a = 381 + a + -1a

Combine like terms: a + -1a = 0
-87 + -26a = 381 + 0
-87 + -26a = 381

Add '87' to each side of the equation.
-87 + 87 + -26a = 381 + 87

Combine like terms: -87 + 87 = 0
0 + -26a = 381 + 87
-26a = 381 + 87

Combine like terms: 381 + 87 = 468
-26a = 468

Divide each side by '-26'.
a = -18

Simplifying
a = -18

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