-5(1+7a)=-250

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Solution for -5(1+7a)=-250 equation: 


Simplifying
-5(1 + 7a) = -250
(1 * -5 + 7a * -5) = -250
(-5 + -35a) = -250

Solving
-5 + -35a = -250

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + -35a = -250 + 5

Combine like terms: -5 + 5 = 0
0 + -35a = -250 + 5
-35a = -250 + 5

Combine like terms: -250 + 5 = -245
-35a = -245

Divide each side by '-35'.
a = 7

Simplifying
a = 7

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