7(-6a-7)=245

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Solution for 7(-6a-7)=245 equation:


Simplifying
7(-6a + -7) = 245

Reorder the terms:
7(-7 + -6a) = 245
(-7 * 7 + -6a * 7) = 245
(-49 + -42a) = 245

Solving
-49 + -42a = 245

Solving for variable 'a'.

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

Add '49' to each side of the equation.
-49 + 49 + -42a = 245 + 49

Combine like terms: -49 + 49 = 0
0 + -42a = 245 + 49
-42a = 245 + 49

Combine like terms: 245 + 49 = 294
-42a = 294

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

Simplifying
a = -7

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