(3a+4)-(5a+6)=

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Solution for (3a+4)-(5a+6)= equation:


Simplifying
(3a + 4) + -1(5a + 6) = 0

Reorder the terms:
(4 + 3a) + -1(5a + 6) = 0

Remove parenthesis around (4 + 3a)
4 + 3a + -1(5a + 6) = 0

Reorder the terms:
4 + 3a + -1(6 + 5a) = 0
4 + 3a + (6 * -1 + 5a * -1) = 0
4 + 3a + (-6 + -5a) = 0

Reorder the terms:
4 + -6 + 3a + -5a = 0

Combine like terms: 4 + -6 = -2
-2 + 3a + -5a = 0

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

Solving
-2 + -2a = 0

Solving for variable 'a'.

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

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

Combine like terms: -2 + 2 = 0
0 + -2a = 0 + 2
-2a = 0 + 2

Combine like terms: 0 + 2 = 2
-2a = 2

Divide each side by '-2'.
a = -1

Simplifying
a = -1

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