-3a=-7(8+a)-4a

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Solution for -3a=-7(8+a)-4a equation:


Simplifying
-3a = -7(8 + a) + -4a
-3a = (8 * -7 + a * -7) + -4a
-3a = (-56 + -7a) + -4a

Combine like terms: -7a + -4a = -11a
-3a = -56 + -11a

Solving
-3a = -56 + -11a

Solving for variable 'a'.

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

Add '11a' to each side of the equation.
-3a + 11a = -56 + -11a + 11a

Combine like terms: -3a + 11a = 8a
8a = -56 + -11a + 11a

Combine like terms: -11a + 11a = 0
8a = -56 + 0
8a = -56

Divide each side by '8'.
a = -7

Simplifying
a = -7

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