-336=-7(5a+6)-7a

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Solution for -336=-7(5a+6)-7a equation:


Simplifying
-336 = -7(5a + 6) + -7a

Reorder the terms:
-336 = -7(6 + 5a) + -7a
-336 = (6 * -7 + 5a * -7) + -7a
-336 = (-42 + -35a) + -7a

Combine like terms: -35a + -7a = -42a
-336 = -42 + -42a

Solving
-336 = -42 + -42a

Solving for variable 'a'.

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

Add '42a' to each side of the equation.
-336 + 42a = -42 + -42a + 42a

Combine like terms: -42a + 42a = 0
-336 + 42a = -42 + 0
-336 + 42a = -42

Add '336' to each side of the equation.
-336 + 336 + 42a = -42 + 336

Combine like terms: -336 + 336 = 0
0 + 42a = -42 + 336
42a = -42 + 336

Combine like terms: -42 + 336 = 294
42a = 294

Divide each side by '42'.
a = 7

Simplifying
a = 7

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