25=-2a-8a

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Solution for 25=-2a-8a equation:


Simplifying
25 = -2a + -8a

Combine like terms: -2a + -8a = -10a
25 = -10a

Solving
25 = -10a

Solving for variable 'a'.

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

Add '10a' to each side of the equation.
25 + 10a = -10a + 10a

Combine like terms: -10a + 10a = 0
25 + 10a = 0

Add '-25' to each side of the equation.
25 + -25 + 10a = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 10a = 0 + -25
10a = 0 + -25

Combine like terms: 0 + -25 = -25
10a = -25

Divide each side by '10'.
a = -2.5

Simplifying
a = -2.5

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