13a+15+2a-4=

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Solution for 13a+15+2a-4= equation:


Simplifying
13a + 15 + 2a + -4 = 0

Reorder the terms:
15 + -4 + 13a + 2a = 0

Combine like terms: 15 + -4 = 11
11 + 13a + 2a = 0

Combine like terms: 13a + 2a = 15a
11 + 15a = 0

Solving
11 + 15a = 0

Solving for variable 'a'.

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

Add '-11' to each side of the equation.
11 + -11 + 15a = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 15a = 0 + -11
15a = 0 + -11

Combine like terms: 0 + -11 = -11
15a = -11

Divide each side by '15'.
a = -0.7333333333

Simplifying
a = -0.7333333333

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