(a)(7)-13=12

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Solution for (a)(7)-13=12 equation:


Simplifying
(a)(7) + -13 = 12

Reorder the terms for easier multiplication:
7a + -13 = 12

Reorder the terms:
-13 + 7a = 12

Solving
-13 + 7a = 12

Solving for variable 'a'.

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

Add '13' to each side of the equation.
-13 + 13 + 7a = 12 + 13

Combine like terms: -13 + 13 = 0
0 + 7a = 12 + 13
7a = 12 + 13

Combine like terms: 12 + 13 = 25
7a = 25

Divide each side by '7'.
a = 3.571428571

Simplifying
a = 3.571428571

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