a+(a+10)=45

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Solution for a+(a+10)=45 equation: 


Simplifying
a + (a + 10) = 45

Reorder the terms:
a + (10 + a) = 45

Remove parenthesis around (10 + a)
a + 10 + a = 45

Reorder the terms:
10 + a + a = 45

Combine like terms: a + a = 2a
10 + 2a = 45

Solving
10 + 2a = 45

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 2a = 45 + -10

Combine like terms: 10 + -10 = 0
0 + 2a = 45 + -10
2a = 45 + -10

Combine like terms: 45 + -10 = 35
2a = 35

Divide each side by '2'.
a = 17.5

Simplifying
a = 17.5

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