10a+2(a+9)+25=

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Solution for 10a+2(a+9)+25= equation:


Simplifying
10a + 2(a + 9) + 25 = 0

Reorder the terms:
10a + 2(9 + a) + 25 = 0
10a + (9 * 2 + a * 2) + 25 = 0
10a + (18 + 2a) + 25 = 0

Reorder the terms:
18 + 25 + 10a + 2a = 0

Combine like terms: 18 + 25 = 43
43 + 10a + 2a = 0

Combine like terms: 10a + 2a = 12a
43 + 12a = 0

Solving
43 + 12a = 0

Solving for variable 'a'.

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

Add '-43' to each side of the equation.
43 + -43 + 12a = 0 + -43

Combine like terms: 43 + -43 = 0
0 + 12a = 0 + -43
12a = 0 + -43

Combine like terms: 0 + -43 = -43
12a = -43

Divide each side by '12'.
a = -3.583333333

Simplifying
a = -3.583333333

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