7a+(5a-13)=47

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Solution for 7a+(5a-13)=47 equation:


Simplifying
7a + (5a + -13) = 47

Reorder the terms:
7a + (-13 + 5a) = 47

Remove parenthesis around (-13 + 5a)
7a + -13 + 5a = 47

Reorder the terms:
-13 + 7a + 5a = 47

Combine like terms: 7a + 5a = 12a
-13 + 12a = 47

Solving
-13 + 12a = 47

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 + 12a = 47 + 13

Combine like terms: -13 + 13 = 0
0 + 12a = 47 + 13
12a = 47 + 13

Combine like terms: 47 + 13 = 60
12a = 60

Divide each side by '12'.
a = 5

Simplifying
a = 5

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