13+18-20=10-16+5a+5

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Solution for 13+18-20=10-16+5a+5 equation: 


Simplifying
13 + 18 + -20 = 10 + -16 + 5a + 5

Combine like terms: 13 + 18 = 31
31 + -20 = 10 + -16 + 5a + 5

Combine like terms: 31 + -20 = 11
11 = 10 + -16 + 5a + 5

Reorder the terms:
11 = 10 + -16 + 5 + 5a

Combine like terms: 10 + -16 = -6
11 = -6 + 5 + 5a

Combine like terms: -6 + 5 = -1
11 = -1 + 5a

Solving
11 = -1 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
11 + -5a = -1 + 5a + -5a

Combine like terms: 5a + -5a = 0
11 + -5a = -1 + 0
11 + -5a = -1

Add '-11' to each side of the equation.
11 + -11 + -5a = -1 + -11

Combine like terms: 11 + -11 = 0
0 + -5a = -1 + -11
-5a = -1 + -11

Combine like terms: -1 + -11 = -12
-5a = -12

Divide each side by '-5'.
a = 2.4

Simplifying
a = 2.4

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