2a-5(a-1)=25

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Solution for 2a-5(a-1)=25 equation:


Simplifying
2a + -5(a + -1) = 25

Reorder the terms:
2a + -5(-1 + a) = 25
2a + (-1 * -5 + a * -5) = 25
2a + (5 + -5a) = 25

Reorder the terms:
5 + 2a + -5a = 25

Combine like terms: 2a + -5a = -3a
5 + -3a = 25

Solving
5 + -3a = 25

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + -3a = 25 + -5

Combine like terms: 5 + -5 = 0
0 + -3a = 25 + -5
-3a = 25 + -5

Combine like terms: 25 + -5 = 20
-3a = 20

Divide each side by '-3'.
a = -6.666666667

Simplifying
a = -6.666666667

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