-6(7+7a)=210

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Solution for -6(7+7a)=210 equation: 


Simplifying
-6(7 + 7a) = 210
(7 * -6 + 7a * -6) = 210
(-42 + -42a) = 210

Solving
-42 + -42a = 210

Solving for variable 'a'.

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

Add '42' to each side of the equation.
-42 + 42 + -42a = 210 + 42

Combine like terms: -42 + 42 = 0
0 + -42a = 210 + 42
-42a = 210 + 42

Combine like terms: 210 + 42 = 252
-42a = 252

Divide each side by '-42'.
a = -6

Simplifying
a = -6

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