2(a-b)+15=13

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Solution for 2(a-b)+15=13 equation:


Simplifying
2(a + -1b) + 15 = 13
(a * 2 + -1b * 2) + 15 = 13
(2a + -2b) + 15 = 13

Reorder the terms:
15 + 2a + -2b = 13

Solving
15 + 2a + -2b = 13

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + 2a + -15 + -2b = 13 + -15

Reorder the terms:
15 + -15 + 2a + -2b = 13 + -15

Combine like terms: 15 + -15 = 0
0 + 2a + -2b = 13 + -15
2a + -2b = 13 + -15

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

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

Combine like terms: -2b + 2b = 0
2a + 0 = -2 + 2b
2a = -2 + 2b

Divide each side by '2'.
a = -1 + b

Simplifying
a = -1 + b

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