5+4a-(4a+3)-(5a+9)=

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Solution for 5+4a-(4a+3)-(5a+9)= equation:


Simplifying
5 + 4a + -1(4a + 3) + -1(5a + 9) = 0

Reorder the terms:
5 + 4a + -1(3 + 4a) + -1(5a + 9) = 0
5 + 4a + (3 * -1 + 4a * -1) + -1(5a + 9) = 0
5 + 4a + (-3 + -4a) + -1(5a + 9) = 0

Reorder the terms:
5 + 4a + -3 + -4a + -1(9 + 5a) = 0
5 + 4a + -3 + -4a + (9 * -1 + 5a * -1) = 0
5 + 4a + -3 + -4a + (-9 + -5a) = 0

Reorder the terms:
5 + -3 + -9 + 4a + -4a + -5a = 0

Combine like terms: 5 + -3 = 2
2 + -9 + 4a + -4a + -5a = 0

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

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

Solving
-7 + -5a = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + -5a = 0 + 7

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

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

Divide each side by '-5'.
a = -1.4

Simplifying
a = -1.4

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