7(-6a-3)=-315

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Solution for 7(-6a-3)=-315 equation:


Simplifying
7(-6a + -3) = -315

Reorder the terms:
7(-3 + -6a) = -315
(-3 * 7 + -6a * 7) = -315
(-21 + -42a) = -315

Solving
-21 + -42a = -315

Solving for variable 'a'.

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

Add '21' to each side of the equation.
-21 + 21 + -42a = -315 + 21

Combine like terms: -21 + 21 = 0
0 + -42a = -315 + 21
-42a = -315 + 21

Combine like terms: -315 + 21 = -294
-42a = -294

Divide each side by '-42'.
a = 7

Simplifying
a = 7

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