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

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


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

Reorder the terms:
-3a = -56 + -4 + -7a

Combine like terms: -56 + -4 = -60
-3a = -60 + -7a

Solving
-3a = -60 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
-3a + 7a = -60 + -7a + 7a

Combine like terms: -3a + 7a = 4a
4a = -60 + -7a + 7a

Combine like terms: -7a + 7a = 0
4a = -60 + 0
4a = -60

Divide each side by '4'.
a = -15

Simplifying
a = -15

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