7(-7+a)=-70

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Solution for 7(-7+a)=-70 equation: 


Simplifying
7(-7 + a) = -70
(-7 * 7 + a * 7) = -70
(-49 + 7a) = -70

Solving
-49 + 7a = -70

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 + 7a = -70 + 49

Combine like terms: -49 + 49 = 0
0 + 7a = -70 + 49
7a = -70 + 49

Combine like terms: -70 + 49 = -21
7a = -21

Divide each side by '7'.
a = -3

Simplifying
a = -3

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