5+a+b+7=19

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Solution for 5+a+b+7=19 equation:


Simplifying
5 + a + b + 7 = 19

Reorder the terms:
5 + 7 + a + b = 19

Combine like terms: 5 + 7 = 12
12 + a + b = 19

Solving
12 + a + b = 19

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + a + -12 + b = 19 + -12

Reorder the terms:
12 + -12 + a + b = 19 + -12

Combine like terms: 12 + -12 = 0
0 + a + b = 19 + -12
a + b = 19 + -12

Combine like terms: 19 + -12 = 7
a + b = 7

Add '-1b' to each side of the equation.
a + b + -1b = 7 + -1b

Combine like terms: b + -1b = 0
a + 0 = 7 + -1b
a = 7 + -1b

Simplifying
a = 7 + -1b

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