a-(-7a-3)=

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Solution for a-(-7a-3)= equation:


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

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

Reorder the terms:
3 + a + 7a = 0

Combine like terms: a + 7a = 8a
3 + 8a = 0

Solving
3 + 8a = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 8a = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 8a = 0 + -3
8a = 0 + -3

Combine like terms: 0 + -3 = -3
8a = -3

Divide each side by '8'.
a = -0.375

Simplifying
a = -0.375

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