4a-9b+a-1+2b+5=

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Solution for 4a-9b+a-1+2b+5= equation:


Simplifying
4a + -9b + a + -1 + 2b + 5 = 0

Reorder the terms:
-1 + 5 + 4a + a + -9b + 2b = 0

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

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

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

Solving
4 + 5a + -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 + 5a + -4 + -7b = 0 + -4

Reorder the terms:
4 + -4 + 5a + -7b = 0 + -4

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

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

Add '7b' to each side of the equation.
5a + -7b + 7b = -4 + 7b

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

Divide each side by '5'.
a = -0.8 + 1.4b

Simplifying
a = -0.8 + 1.4b

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