(4a-2b)+(9a-4)+(7a+3)=

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Solution for (4a-2b)+(9a-4)+(7a+3)= equation:


Simplifying
(4a + -2b) + (9a + -4) + (7a + 3) = 0

Remove parenthesis around (4a + -2b)
4a + -2b + (9a + -4) + (7a + 3) = 0

Reorder the terms:
4a + -2b + (-4 + 9a) + (7a + 3) = 0

Remove parenthesis around (-4 + 9a)
4a + -2b + -4 + 9a + (7a + 3) = 0

Reorder the terms:
4a + -2b + -4 + 9a + (3 + 7a) = 0

Remove parenthesis around (3 + 7a)
4a + -2b + -4 + 9a + 3 + 7a = 0

Reorder the terms:
-4 + 3 + 4a + 9a + 7a + -2b = 0

Combine like terms: -4 + 3 = -1
-1 + 4a + 9a + 7a + -2b = 0

Combine like terms: 4a + 9a = 13a
-1 + 13a + 7a + -2b = 0

Combine like terms: 13a + 7a = 20a
-1 + 20a + -2b = 0

Solving
-1 + 20a + -2b = 0

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 20a + 1 + -2b = 0 + 1

Reorder the terms:
-1 + 1 + 20a + -2b = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 20a + -2b = 0 + 1
20a + -2b = 0 + 1

Combine like terms: 0 + 1 = 1
20a + -2b = 1

Add '2b' to each side of the equation.
20a + -2b + 2b = 1 + 2b

Combine like terms: -2b + 2b = 0
20a + 0 = 1 + 2b
20a = 1 + 2b

Divide each side by '20'.
a = 0.05 + 0.1b

Simplifying
a = 0.05 + 0.1b

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