7a+5a+2b-9b+5-1=

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Solution for 7a+5a+2b-9b+5-1= equation:


Simplifying
7a + 5a + 2b + -9b + 5 + -1 = 0

Reorder the terms:
5 + -1 + 7a + 5a + 2b + -9b = 0

Combine like terms: 5 + -1 = 4
4 + 7a + 5a + 2b + -9b = 0

Combine like terms: 7a + 5a = 12a
4 + 12a + 2b + -9b = 0

Combine like terms: 2b + -9b = -7b
4 + 12a + -7b = 0

Solving
4 + 12a + -7b = 0

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + 12a + -4 + -7b = 0 + -4

Reorder the terms:
4 + -4 + 12a + -7b = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 12a + -7b = 0 + -4
12a + -7b = 0 + -4

Combine like terms: 0 + -4 = -4
12a + -7b = -4

Add '7b' to each side of the equation.
12a + -7b + 7b = -4 + 7b

Combine like terms: -7b + 7b = 0
12a + 0 = -4 + 7b
12a = -4 + 7b

Divide each side by '12'.
a = -0.3333333333 + 0.5833333333b

Simplifying
a = -0.3333333333 + 0.5833333333b

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