-7(6a-7)=217

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Solution for -7(6a-7)=217 equation:


Simplifying
-7(6a + -7) = 217

Reorder the terms:
-7(-7 + 6a) = 217
(-7 * -7 + 6a * -7) = 217
(49 + -42a) = 217

Solving
49 + -42a = 217

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 = 217 + -49

Combine like terms: 49 + -49 = 0
0 + -42a = 217 + -49
-42a = 217 + -49

Combine like terms: 217 + -49 = 168
-42a = 168

Divide each side by '-42'.
a = -4

Simplifying
a = -4

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