13-a=-3b-2

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Solution for 13-a=-3b-2 equation:


Simplifying
13 + -1a = -3b + -2

Reorder the terms:
13 + -1a = -2 + -3b

Solving
13 + -1a = -2 + -3b

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + -1a = -2 + -13 + -3b

Combine like terms: 13 + -13 = 0
0 + -1a = -2 + -13 + -3b
-1a = -2 + -13 + -3b

Combine like terms: -2 + -13 = -15
-1a = -15 + -3b

Divide each side by '-1'.
a = 15 + 3b

Simplifying
a = 15 + 3b

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