7a-(5a+4)=

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Solution for 7a-(5a+4)= equation:


Simplifying
7a + -1(5a + 4) = 0

Reorder the terms:
7a + -1(4 + 5a) = 0
7a + (4 * -1 + 5a * -1) = 0
7a + (-4 + -5a) = 0

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

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

Solving
-4 + 2a = 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 + 4 + 2a = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 2a = 0 + 4
2a = 0 + 4

Combine like terms: 0 + 4 = 4
2a = 4

Divide each side by '2'.
a = 2

Simplifying
a = 2

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