(9a+2)(7)=77

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Solution for (9a+2)(7)=77 equation:


Simplifying
(9a + 2)(7) = 77

Reorder the terms:
(2 + 9a)(7) = 77

Reorder the terms for easier multiplication:
7(2 + 9a) = 77
(2 * 7 + 9a * 7) = 77
(14 + 63a) = 77

Solving
14 + 63a = 77

Solving for variable 'a'.

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

Add '-14' to each side of the equation.
14 + -14 + 63a = 77 + -14

Combine like terms: 14 + -14 = 0
0 + 63a = 77 + -14
63a = 77 + -14

Combine like terms: 77 + -14 = 63
63a = 63

Divide each side by '63'.
a = 1

Simplifying
a = 1

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