7+2a+(-13)=

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Solution for 7+2a+(-13)= equation:


Simplifying
7 + 2a + (-13) = 0
7 + 2a + -13 = 0

Reorder the terms:
7 + -13 + 2a = 0

Combine like terms: 7 + -13 = -6
-6 + 2a = 0

Solving
-6 + 2a = 0

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 2a = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 2a = 0 + 6
2a = 0 + 6

Combine like terms: 0 + 6 = 6
2a = 6

Divide each side by '2'.
a = 3

Simplifying
a = 3

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