-7(1+9a)=-30.5

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Solution for -7(1+9a)=-30.5 equation:


Simplifying
-7(1 + 9a) = -30.5
(1 * -7 + 9a * -7) = -30.5
(-7 + -63a) = -30.5

Solving
-7 + -63a = -30.5

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + -63a = -30.5 + 7

Combine like terms: -7 + 7 = 0
0 + -63a = -30.5 + 7
-63a = -30.5 + 7

Combine like terms: -30.5 + 7 = -23.5
-63a = -23.5

Divide each side by '-63'.
a = 0.373015873

Simplifying
a = 0.373015873

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