-7(4a+8)-5a=40-a

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Solution for -7(4a+8)-5a=40-a equation:


Simplifying
-7(4a + 8) + -5a = 40 + -1a

Reorder the terms:
-7(8 + 4a) + -5a = 40 + -1a
(8 * -7 + 4a * -7) + -5a = 40 + -1a
(-56 + -28a) + -5a = 40 + -1a

Combine like terms: -28a + -5a = -33a
-56 + -33a = 40 + -1a

Solving
-56 + -33a = 40 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-56 + -33a + a = 40 + -1a + a

Combine like terms: -33a + a = -32a
-56 + -32a = 40 + -1a + a

Combine like terms: -1a + a = 0
-56 + -32a = 40 + 0
-56 + -32a = 40

Add '56' to each side of the equation.
-56 + 56 + -32a = 40 + 56

Combine like terms: -56 + 56 = 0
0 + -32a = 40 + 56
-32a = 40 + 56

Combine like terms: 40 + 56 = 96
-32a = 96

Divide each side by '-32'.
a = -3

Simplifying
a = -3

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