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

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


Simplifying
4 + 7a + -1(3a + 4) + -1(2a + 4) = 0

Reorder the terms:
4 + 7a + -1(4 + 3a) + -1(2a + 4) = 0
4 + 7a + (4 * -1 + 3a * -1) + -1(2a + 4) = 0
4 + 7a + (-4 + -3a) + -1(2a + 4) = 0

Reorder the terms:
4 + 7a + -4 + -3a + -1(4 + 2a) = 0
4 + 7a + -4 + -3a + (4 * -1 + 2a * -1) = 0
4 + 7a + -4 + -3a + (-4 + -2a) = 0

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

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

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

Combine like terms: 4a + -2a = 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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