a+11+a+12=a+45

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Solution for a+11+a+12=a+45 equation:


Simplifying
a + 11 + a + 12 = a + 45

Reorder the terms:
11 + 12 + a + a = a + 45

Combine like terms: 11 + 12 = 23
23 + a + a = a + 45

Combine like terms: a + a = 2a
23 + 2a = a + 45

Reorder the terms:
23 + 2a = 45 + a

Solving
23 + 2a = 45 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
23 + 2a + -1a = 45 + a + -1a

Combine like terms: 2a + -1a = 1a
23 + 1a = 45 + a + -1a

Combine like terms: a + -1a = 0
23 + 1a = 45 + 0
23 + 1a = 45

Add '-23' to each side of the equation.
23 + -23 + 1a = 45 + -23

Combine like terms: 23 + -23 = 0
0 + 1a = 45 + -23
1a = 45 + -23

Combine like terms: 45 + -23 = 22
1a = 22

Divide each side by '1'.
a = 22

Simplifying
a = 22

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