10=a+(a-3)

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Solution for 10=a+(a-3) equation:


Simplifying
10 = a + (a + -3)

Reorder the terms:
10 = a + (-3 + a)

Remove parenthesis around (-3 + a)
10 = a + -3 + a

Reorder the terms:
10 = -3 + a + a

Combine like terms: a + a = 2a
10 = -3 + 2a

Solving
10 = -3 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
10 + -2a = -3 + 2a + -2a

Combine like terms: 2a + -2a = 0
10 + -2a = -3 + 0
10 + -2a = -3

Add '-10' to each side of the equation.
10 + -10 + -2a = -3 + -10

Combine like terms: 10 + -10 = 0
0 + -2a = -3 + -10
-2a = -3 + -10

Combine like terms: -3 + -10 = -13
-2a = -13

Divide each side by '-2'.
a = 6.5

Simplifying
a = 6.5

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