(-6a)+(-4a)-(-7a)-(-7a)=

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Solution for (-6a)+(-4a)-(-7a)-(-7a)= equation:


Simplifying
(-6a) + (-4a) + -1(-7a) + -1(-7a) = 0

Remove parenthesis around (-7a)
(-6a) + (-4a) + -1 * -7a + -1(-7a) = 0

Multiply -1 * -7
(-6a) + (-4a) + 7a + -1(-7a) = 0

Remove parenthesis around (-7a)
(-6a) + (-4a) + 7a + -1 * -7a = 0

Multiply -1 * -7
(-6a) + (-4a) + 7a + 7a = 0

Combine like terms: (-6a) + (-4a) = -10a
-10a + 7a + 7a = 0

Combine like terms: -10a + 7a = -3a
-3a + 7a = 0

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

Solving
4a = 0

Solving for variable 'a'.

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

Divide each side by '4'.
a = 0

Simplifying
a = 0

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