-331=-5(7a+7)-2a

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Solution for -331=-5(7a+7)-2a equation:


Simplifying
-331 = -5(7a + 7) + -2a

Reorder the terms:
-331 = -5(7 + 7a) + -2a
-331 = (7 * -5 + 7a * -5) + -2a
-331 = (-35 + -35a) + -2a

Combine like terms: -35a + -2a = -37a
-331 = -35 + -37a

Solving
-331 = -35 + -37a

Solving for variable 'a'.

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

Add '37a' to each side of the equation.
-331 + 37a = -35 + -37a + 37a

Combine like terms: -37a + 37a = 0
-331 + 37a = -35 + 0
-331 + 37a = -35

Add '331' to each side of the equation.
-331 + 331 + 37a = -35 + 331

Combine like terms: -331 + 331 = 0
0 + 37a = -35 + 331
37a = -35 + 331

Combine like terms: -35 + 331 = 296
37a = 296

Divide each side by '37'.
a = 8

Simplifying
a = 8

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