5a+2a-9-3a+4=15

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Solution for 5a+2a-9-3a+4=15 equation:


Simplifying
5a + 2a + -9 + -3a + 4 = 15

Reorder the terms:
-9 + 4 + 5a + 2a + -3a = 15

Combine like terms: -9 + 4 = -5
-5 + 5a + 2a + -3a = 15

Combine like terms: 5a + 2a = 7a
-5 + 7a + -3a = 15

Combine like terms: 7a + -3a = 4a
-5 + 4a = 15

Solving
-5 + 4a = 15

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 4a = 15 + 5

Combine like terms: -5 + 5 = 0
0 + 4a = 15 + 5
4a = 15 + 5

Combine like terms: 15 + 5 = 20
4a = 20

Divide each side by '4'.
a = 5

Simplifying
a = 5

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